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Sinequan (Doxepin)

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Generic Sinequan is used for treating depression or anxiety in certain patients. It may also be used for other conditions. Generic Sinequan is a tricyclic antidepressant. It increases the activity of certain chemicals in the brain, which help elevate mood.

Other names for this medication:

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Also known as:  Doxepin.


Generic Sinequan is a tricyclic antidepressant. It increases the activity of certain chemicals in the brain, which help elevate mood.

Generic name of Generic Sinequan is Doxepin.

Sinequan is also known as Doxepin, Aponal, Deptran, Doneurin, Doxin, Mareen, Quitaxon, Sinepin, Spectra, Xepin.

Brand name of Generic Sinequan is Sinequan.


Take Generic Sinequan by mouth with or without food.

Taking Generic Sinequan at bedtime may help reduce side effects (eg, daytime drowsiness).

If you want to achieve most effective results do not stop taking Generic Sinequan suddenly.


If you overdose Generic Sinequan and you don't feel good you should visit your doctor or health care provider immediately.


Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F) away from moisture and heat. Throw away any unused medicine after the expiration date. Keep out of the reach of children.

Side effects

The most common side effects associated with Sinequan are:

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Side effect occurrence does not only depend on medication you are taking, but also on your overall health and other factors.


Do not take Generic Sinequan if you are allergic to Generic Sinequan components.

Be careful with Generic Sinequan if you are pregnant, planning to become pregnant, or are breast-feeding.

Do not take Generic Sinequan if you take clonidine, an H1 antagonist (eg, astemizole, terfenadine), or ibutilide, or you have taken a monoamine oxidase inhibitor (MAOI) (eg, furazolidone, phenelzine, isocarboxazid) within the past 14 days.

Do not take Generic Sinequan if you have certain prostate problems (eg, asymptomatic prostatic hypertrophy), glaucoma, or trouble urinating.

Be careful with Generic Sinequan if you have a history of heart problems, seizures (eg, epilepsy), overactive thyroid, prostate problems (eg, benign prostatic hypertrophy [BPH]), blood problems (eg, porphyria), other mental or mood problems, suicidal thoughts or attempts, or alcohol abuse.

Be careful with Generic Sinequan if you take antiarrhythmics (eg, quinidine, propafenone, flecainide), antifungal medicines (eg, fluconazole, terbinafine), carbamazepine, cimetidine, mibefradil, phenothiazines (eg, chlorpromazine, thioridazine), or selective serotonin reuptake inhibitors (SSRIs) (eg, fluoxetine, sertraline) because they may increase the risk of Generic Sinequan 's side effects; anticoagulants (eg, warfarin), H1 antagonists (eg, astemizole, terfenadine), ibutilide, sulfonylureas (eg, tolazamide, glipizide), sympathomimetics (eg, phenylephrine, pseudoephedrine), or tramadol because the risk of their side effects may be increased by Generic Sinequan; clonidine, guanadrel, guanethidine, or guanfacine because their effectiveness may be decreased by Generic Sinequan; MAOIs (eg, furazolidone, phenelzine, isocarboxazid) because severe toxic effects may occur.

Avoid alcohol.

Be careful when you are driving or operating machinery.

It can be dangerous to stop Generic Sinequan taking suddenly.

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Efficacy was assessed using PSG and patient-reported measures.

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The adsorption of amitriptyline, desipramine, doxepin, imipramine, and nortriptyline onto cholestyramine was demonstrated in vitro with use of 1.2 mol/L HCl at 37 degrees C to simulate gastric fluid. Binding to cholestyramine was approximately 80% for each of the tricyclic antidepressants, and this was about the same degree of binding noted with a nonpharmaceutical, non-ionic resin widely used in the diagnostic toxicology laboratory (Amberlite XAD-2). In contrast, five other non-antidepressants (acetaminophen, chlordiazepoxide, procainamide, quinidine, and theophylline) showed only minimal binding to cholestyramine under these conditions. Activated charcoal completely bound all drugs studied. These findings suggest that cholestyramine should be used with caution in patients receiving tricyclic antidepressants. They also suggest that cholestyramine may be a potentially useful adjunctive therapy in treatment of overdose with the tricyclic antidepressants.

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The method is effective, simple, reliable and has been used in real cases.

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The prescribing of anxiolytics is often a hit-and-miss process. Current knowledge is examined to encourage a more rational use of such drugs. Because the common symptoms occur in a great array of illnesses, diagnosis is of first importance. For the transient situational disturbance drugs may be unnecessary or may be used merely for a day or two. If the anxiety state persists for a month or so the illness might be termed an anxiety neurosis and if there is no accompanying depression, a short course of benzodiazepine may be of value. With depression present to more than a mild degree as part of the neurosis the tricyclic antidepressant doxepin usually achieves better results than a benzodiazepine. Imipramine can be helpful for the phobic anxiety syndrome and monoamine-oxidase inhibitors can be of separate utility. If the anxiety and depression occur in the context of alcoholism, thioridazine and amitriptyline have certain advantages. There is very little place for phenothiazines or other antipsychotic agents in low doses in the therapy of anxiety except for thioridazine in the above indication.

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The effects of antidepressants of tricyclic (amitriptyline, nortriptyline, protriptyline, doxepin, imipramine, and desipramine) and atypical (maprotiline, nomifensine, tandamine, viloxazine, CGP 6085A, and YM-08054-1) structures on contractile responses to exogenously applied acetylcholine and (-) noradrenaline were studied in rat isolated anococcygeus muscle previously incubated with 6-hydroxydopamine. Atropine, amitriptyline, protriptyline, doxepin, imipramine, maprotiline and nortriptyline inhibited contractile responses to acetylcholine whereas desipramine, nomifensine, tandamine, viloxazine, CGP 6085A and YM 08054-1 did not. The contractile responses to (-)-noradrenaline were inhibited by low concentrations of tricyclic antidepressants and by higher concentrations of the atypical agents. These results illustrate that, in the preparation, the order of potency of antidepressants as muscarinic and as postsynaptic alpha-adrenoceptor antagonists is similar. The ability of tricyclic, but not atypical agents, to increase the concentration of noradrenaline bound to postsynaptic alpha-adrenoceptors may be severely limited by the antagonistic effect these agents have at this receptor.

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A psychiatric study was carried out to seek correct diagnosis and effective therapy for patients with various pain symptoms in ear, nose and throat area, and the unknown cause of pain and invalid treatment. There were 12 patients who coincided with the diagnostic criteria of depression. The therapeutic effect was satisfactory with antidepression medicine. It is suggested that the practicing ENT doctors should have some knowledge of psychiatry, understand the symptoms of depressive state, avoid misdiagnosis and offer correct management.

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To develop a specific, sensitive, reproducible SPE-HPLC method for the determination of 37 drugs in whole blood.

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Forty-four of 48 patients (92%) were asymptomatic. All were single-drug exposures. Forty-three patients (90%) ingested a TCA dose that was less than the normally prescribed pediatric dose (5 mg/kg). Of the five children ingesting >5 mg/kg (range 5-9.4 mg/kg), only one (5.3 mg/kg) was mildly symptomatic (drowsy) prior to admission. Thirty-one of the 48 (65%) were sent to the emergency department (dose range 0.59-9.4 mg/kg). Fourteen of the 31 were admitted for 12-24-hour observation and none subsequently developed symptoms. Twenty-three (74%) received activated charcoal (AC). There was no difference in outcome between the children who did and did not receive AC.

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In randomised double-blind comparative trials including patients with major depression, short term (5 to 6 weeks) therapy with mirtazapine was significantly more effective than placebo, as effective as amitriptyline, clomipramine and doxepin, and at least as effective as trazodone. Results from a meta-analysis of 5 comparative trials in which 60% of patients were hospitalised with severe depression [mean baseline 17-item Hamilton Depression Rating Scale (HAMD) score ≥25] revealed no significant differences between mirtazapine and amitriptyline. The responder rates (≥50% decrease in HAMD score from baseline) at 6 weeks and study end-point were 70 and 61 %, respectively, for mirtazapine and 73 and 64%, respectively, for amitriptyline. In a comparative trial in older outpatients (mean age 61 to 63 years), reductions in rating scale scores of depression and the percentage of responders tended to be higher in mirtazapine than in trazodone recipients.

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A sensitive method suitable for the determination of tricyclic and other antidepressants in postmortem and clinical specimens is presented. The procedure, which utilizes reversed-phase HPLC combined with dual ultraviolet wavelength detection, enables the separation of 17 commonly prescribed antidepressants and some selected metabolites in a single extraction. Peak purity was confirmed using absorbance ratios at 220 nm and 254 nm wavelengths and revealed little interference from other eluting analytes. The blood detection limit for most antidepressants was 50 ng/ml. The most commonly observed antidepressants in 281 forensic cases analysed over a two-year period with the described method were dothiepin, amitriptyline, nortriptyline and doxepin.

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The binding potential ratio of mirtazapine in brain cortex was significantly lower than that of fluvoxamine or placebo. Fluvoxamine did not occupy the H₁R, whereas H₁R occupancy (H₁RO) of mirtazapine reached 80-90 % in the cerebral neocortex. In the voxel-by-voxel analysis, the binding potential of mirtazapine was significantly lower than placebo in the dorsolateral prefrontal cortex, lateral temporal cortex, anterior cingulate gyrus, and posterior cingulate gyrus. The H₁RO of mirtazapine depended on the plasma drug concentration (AUC(0-180 min)) and was related to subjective sleepiness.

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Three patients taking conjugated estrogens developed akathisia induced by tricyclic antidepressants. The interaction between tricyclic antidepressants and conjugated estrogens could play a role in the development of akathisia.

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These data substantiate the view that clinically relevant concentrations of neuroleptics and antidepressants can mediate changes in neuronal pHi, which may contribute to their pharmacological mode of action. Effects on pHi should be taken into account when therapeutic or even harmful effects of these drugs are evaluated.

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Pruritus represents a common and distressing feature of burn wounds. Over the last decades, significant advances in neuroanatomical and neurophysiological knowledge have resulted in the elucidation of the mediators and pathways involved in the transmission of pruritic impulses. A plethora of therapeutic approaches have been evaluated mostly in small-scale studies involving burns patients targeting both the peripheral and the central components of the neurologic pathway. Antihistamines, doxepin, massage therapy, and transcutaneous electrical nerve stimulation are effective strategies to combat pruritus in burns patients. Recent studies have provided preliminary evidence regarding the effectiveness of gabapentin and ondansetron. The area of burns pruritus is under-researched and large-scale studies are required to reinforce the armamentarium of specialists with evidence-based regimens for the treatment of this highly distressing symptom.

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In several cases tobacco smoking fulfills criteria for drug dependence. Withdrawal symptoms after smoking cessation are considered the main cause of relapses. We reviewed results of controlled clinical drug trials (testing nicotine patch, nicotine nasal spray, clonidine, buspirone and doxepin) in smoking cessation. End of treatment quit rates at 3 months with nicotine patch vary between 14% and 39% and one year quit rates between 9% et 26%. Studies with nasal nicotine spray give similar results but nicotine spray is less well tolerated than nicotine patch. The therapeutic effectiveness of nicotine patch seems to be insufficient and there is only one report of long term (> 1 year) results which should be the main goal of treatments used in smoking cessation. A therapeutic approach with psychotropic drugs founded on a better characterization of dependent smokers' psychopathology (depression, anxiety...) may be a more promising research field.

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We extracted data and assessed risk of bias using standard methodological procedures expected by the Cochrane Collaboration.The main outcome measure was abstinence from smoking after at least six months follow-up in patients smoking at baseline, expressed as a risk ratio (RR). We used the most rigorous definition of abstinence available in each trial, and biochemically validated rates if available. Where appropriate, we performed meta-analysis using a fixed-effect model.

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Employing our novel system we have been able to identify a new class of transfection enhancers, the tricyclic antidepressants (i.e. doxepin, maprotiline, desipramine and amoxapine). All positive drugs enhanced gene transfer in both yeast and human cell lines, but lower concentrations were sufficient for mammalian cells. With a triple combination of doxepin, amoxapine and chloroquine we obtained a transfection efficiency that exceeded that of chloroquine, one of the best-known transfection enhancers of mammalian cells, by nearly one order of magnitude.

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The pharmacological effects of three tricyclic antidepressant agents (desipramine, protriptyline and doxepin) are evaluated in rat isolated atria in relation to their accumulation and efflux kinetics. The pharmacological effects studed are: inhibition of 1-3H-noradrenaline uptake, potentiation of 1-noradrenaline chronotropic response, and changes in spontaneous atrial rate. All drugs inhibit noradrenaline uptake and potentiate noradrenaline chronotropic response (desipramine congruent to protriptyline greater than doxepin). Desipramine and protriptyline, at concentrations of 10(-7) -- 10(-6)M stimulate the spontaneous rate; higher concentrations (greater than 10(-6)M) depress it. Doxepin has only a negative chronotropic effect. When the drugs are removed from the incubation medium, the depressing effect starts to disappear immediately for doxepin and desipramine and after 20 min for protriptyline. On the contrary the stimulating effect persists after repeatedly washing the preparations. Desipramine, protriptyline and doxepin extensively accumulate in the myocardial tissue (desipramine larger than or equal to protriptyline greater than doxepin). In the efflux studies doxepin is washed out more rapidly than desipramine and protriptyline. Although the kinetics of uptake and efflux of the three compounds are not sufficient to interpret their different pharmacological activities in isolated atria, they give useful information on the persistance of the sympathomimetic effect and the rapid disappearing of the negative chronotropic effect after washing.

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Cognitive behavioral therapy and sleep hygiene are considered initial therapy for insomnia. Benzodiazepines are discouraged in the geriatric population, especially for long-term use. Although non-BzRAs have improved safety profiles compared with benzodiazepines, their side effects include dementia, serious injury, and fractures, which should limit their use. Ramelteon has a minimal adverse effect profile and is effective for sleep-onset latency and increased total sleep time, making it a valuable first-line option. Although the data on suvorexant are limited, this drug improves sleep maintenance and has mild adverse effects, including somnolence; residual daytime sedation has been reported, however. Sedating low-dose antidepressants should only be used for insomnia when the patient has comorbid depression. Antipsychotic agents, pramipexole, and tiagabine have all been used for insomnia, but none has been extensively studied in an older population, and all have considerable adverse effects. Gabapentin may be useful in patients with restless leg syndrome or chronic neuropathic pain and insomnia. Diphenhydramine should be avoided in the elderly. Valerian and melatonin are unregulated products that have a small impact on sleep latency and can produce residual sedation.

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Data on drug safety were not analyzed.

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We investigated the possibility that the inflammatory reaction in primary acquired cold urticaria might be associated with the release of platelet-activating factor. Six patients with the disease and five normal controls were subjected to cold-water challenges during which blood samples were obtained for measurement of the release of possible mediators: i.e., histamine, neutrophilic chemotactic activity, and platelet-activating factor-like lipid (PAF-LL). Four of the patients had pronounced experimentally induced cold urticaria with angioedema and release of mediators. Levels of the three mediators were not elevated in five normal controls or in two patients in whom cold challenges induced only mild urticaria and angioedema. The effective suppression of cold-induced urticaria in three patients treated with doxepin correlated with inhibition of PAF-LL release but not inhibition of histamine or neutrophilic chemotactic activity release. These data suggest a positive correlation between PAF-LL release and cold urticaria, although the exact relation between PAF-LL and cutaneous lesions of primary acquired cold urticaria has not yet been established.

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A young nurse was found dead in her flat. In chemical-toxicological analysis the following femoral blood drug concentrations were determined: paroxetine 0.176 mg/l, doxepine 82.12 mg/l, desmethyldoxepine 0.34 mg/l. Additionally the drug concentrations were determined in various body fluids and organs. The results of the described fatality are discussed. For interpretation of toxicologic results in antidepressant fatalities ratios of parent drug to metabolite and postmortem drug redistribution should be taken into account.

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Tricyclic antidepressant plasma levels were measured in nine hospitalized adolescent oversdose patients to define the medical seriousness of the drug ingestion. Seven out of nine of these patients ingested medication prescribed for treatment of their psychiatric symptoms. Indications for tricyclic therapy in adolescents are vague. The more frequent use of these drugs makes the potential for life-threatening ingestions relatively common. The amount of drug ingested is usually poorly documented. Plasma measurements are of value in assessing the efficacy of the various medical treatments of overdose patients. Two of these nine overdoses were medically serious as defined by plasma measurements. Supportive care with cardiac monitoring was adequate in one case; however, a fatality occurred in the other under what could be described as optimal patient management conditions.

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A two-step, randomized, intraindividual parallel-comparative, double-blind, placebo-controlled trial was conducted on the volar side of the forearm. Step 1 was aimed to determine the onset, while step 2 determined the duration of action. The topical AH tested was a single application of 5% doxepin hydrochloride cream, while 10 mg/ml histamine dihydrochloride was used to test the skin responses.

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Cold urticaria is characterized by the development of urticaria, usually superficial and/or angioedematous reaction after cold contact. It was found predominantly in young women. The diagnosis is based on the history and ice cube test. Patients with a negative ice cube test may have represented systemic cold urticaria (atypical acquired cold urticaria) induced by general body cooling. The pathogenesis is poorly understood. Cold urticaria can be classified into acquired and familial disorders, with an autosomal dominant inheritance. Idiopathic cold urticaria is most common type but the research of a cryopathy is necessary. Therapy is often difficult. It is essential that the patient be warned of the dangers of swimming in cold water because systemic hypotension can occur. H1 antihistamines can be used for treatment of cold urticaria but the clinical responses are highly variable. The combination with an H2 antagonists is more effective. Doxepin may be useful in the treatment. Leukotriene receptor antagonists may be a novel, promising drug entity. In patients who do not respond to previous treatments, induction of cold tolerance may be tried.

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Observational study of prescriptions (UK), poisoning deaths involving single antidepressants receiving coroners' verdicts of suicide or undetermined intent (England and Wales) and non-fatal self-poisoning episodes presenting to six general hospitals (in Oxford, Manchester and Derby) between 2000 and 2006. Calculation of fatal toxicity index based on ratio of rates of deaths to prescriptions, and case fatality based on ratio of rates of deaths to non-fatal self-poisonings.

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Which pharmacological and nonpharmacological interventions are associated with improvement in general, physical, or mental fatigue and minimal adverse effects in patients with Parkinson disease (PD)?

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dosage of sinequan 2015-09-17

The tricyclic antidepressant drug imipramine may cause ventricular arrhythmias and intraventricular conduction disturbances in clinical use, particularly in patients who have ingested toxic doses or who have preexisting heart disease. Such effects have not been reported with doxepin, another tricylic antidepressant drug. In this study, the electrophysiologic effects of these two drugs on normal and depressed canine Purkinje fibers were examined. Fiber depression was achieved by elevating potassium concentration [K+] in the perfusate to 10 mM. In normal Purkinje fibers both imipramine and doxepin were tested in concentrations of 50, 250, 500 and 1,000 ng/ml. Both drugs had no effect on resting membrane potential but caused similar, dose-related reductions in action potential amplitude, maximal velocity of phage O depolarization (Vmax), action potential duration, conduction velocity and effective and functional refractory periods. Depressed fibers were exposed to buy sinequan only 250 ng/ml of imipramine and doxepin. Both drugs reduced conduction velocity and failed to alter the refractory periods of the depressed fiberts whereas at the same concentration in normal fibers they caused no change in conduction velocity but shortened the refractory periods. The other electrophysiologic effects of the two drugs on depressed fibers were similar to those on normal fibers. These observations indicate that depressed fibers are more sensitive than normal fibers to certain electrophysiologic effects of both imipramine and doxepin, and that the different incidence rates of arrhythmias and conduction disturbances associated with the clinical use of these drugs is probably not due to differences in their direct electrophysiologic effects on the ventricular specialized conduction system.

sinequan sleeping pill 2016-10-06

Phantom pain phenomenon is a poorly understood but relatively common sequela of limb amputation that may result in significant psychological and physical morbidity. In this review, proposed pathoneurophysiological mechanisms for the development of phantom pain are reviewed as well as psychological mechanisms that may be involved. The authors recommend buy sinequan an integrated approach to management of chronic phantom pain that takes into consideration the multiple factors that may contribute to its etiology.

sinequan drug classification 2017-10-19

Administration of Doxepin considerably increased the step through latencies in the rats that received the doses of 1 and 5 mg/kg (P < 0.05). However, in the dose of 10 mg/kg, buy sinequan there wasn't any significant change comparing to control group.

sinequan user reviews 2015-04-07

Observational study of prescriptions (UK), poisoning deaths involving single antidepressants receiving coroners' verdicts of suicide or undetermined intent (England and Wales) and non-fatal self-poisoning buy sinequan episodes presenting to six general hospitals (in Oxford, Manchester and Derby) between 2000 and 2006. Calculation of fatal toxicity index based on ratio of rates of deaths to prescriptions, and case fatality based on ratio of rates of deaths to non-fatal self-poisonings.

sinequan tablets 2015-03-12

Tricyclic antidepressants (TCAs) and selective serotonin reuptake inhibitors (SSRIs) are used to treat depression. Whereas cardiovascular effects have occasionally been reported during controlled studies with SSRIs, TCA treatment poses a well-known buy sinequan problem in this respect. To investigate the putative correlation between antidepressant dose or serum levels and adverse effects, the authors devised a naturalistic study to evaluate the tricyclic antidepressants' and SSRIs' effect on the cardiovascular system. The authors also compared antidepressant serum levels to adverse effects. Inpatients treated with TCAs or SSRIs were included; an electrocardiogram (ECG) and a Schellong test were carried out on the day patients entered the hospital and during steady-state treatment with antidepressant drugs when blood was drawn for therapeutic drug monitoring. The patient population consisted of 114 acutely depressed patients; 81 patients were treated with TCAs and 33 with SSRIs. The TCAs comprised amitriptyline (n = 43), clomipramine (n = 11), doxepin (n = 19) and imipramine (n = 8); the SSRIs comprised fluvoxamine (n = 14) and paroxetine (n = 19). In TCA-treated patients, the authors observed the same type of abnormalities in conduction and orthostatic hypotension as had been observed earlier. The authors also observed cases of first-degree atrioventricular block, prolonged QTc interval, and orthostatic hypotension in SSRI-treated patients. Thus SSRIs also appear to affect the cardiovascular system, which might pose a problem for patients with preexisting conduction disease. The authors observed a strong correlation between the decrease in systolic pressure and antidepressant serum concentration (except for clomipramine and paroxetine), suggesting that antidepressant serum level is a better correlate than dose.

sinequan 10 mg 2017-08-15

In a meta-analysis of ten studies in elderly patients, paroxetine (n = 387) was as effective an antidepressant as active controls (amitriptyline n = 110; clomipramine n = 109; doxepin n = 102; mianserin n = 28). The change over 5-6 weeks of therapy, on the Hamilton Depression Rating Scale, was significantly better with paroxetine compared with active controls. A similar buy sinequan advantage was seen when the responder rate was considered. Adverse events were less frequent and less severe with paroxetine treatment, especially anticholinergic adverse events. Paroxetine was effective in treating anxiety symptoms associated with depression, yet caused significantly less sedation compared with active controls. There was little difference in the overall safety profiles seen between the paroxetine and active control groups. However, data are available indicating reduced cardiotoxicity for paroxetine and a beneficial effect on suicidal thoughts. Overall, the results indicate paroxetine is an alternative first-line therapy to these older antidepressants and should be considered when treating elderly patients.

sinequan 6 mg 2015-01-24

A procedure is described for extracting doxepin, a tricyclic antidepressant, from plasma and subsequently measuring its concentration by buy sinequan GLC. The developed technique permits the resolution and quantitative determination of the cis- and trans-isomers of doxepin as well as its desmethyl metabolite. The method allows precise, reliable measurement of the drug and one of its metabolities in concentrations as low as 10 ng/ml of plasma.

sinequan drug 2017-01-09

This was a retrospective, case note study of all cases where death was caused by buy sinequan lethal levels of antidepressants in South Australia for the period from 1986 to 1990. The study occurred at the South Australian coroner's office. Subjects were selected from toxicology data, where serum or liver levels of one or more antidepressant were in the lethal range.

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The conversion of tertiary amines to quaternary ammonium glucuronides was investigated in human liver microsomes, and characteristics of the UDP-glucuronosyltransferase (UGT) catalyzing quaternary ammonium glucuronidation were evaluated. In addition, a rabbit liver microsomal UGT mediating this reaction was studied. The kinetics of quaternary ammonium glucuronidation of cyproheptadine, tripelennamine, amitriptyline, and doxepin in intact human liver microsomes was determined. Tripelennamine was found to have the lowest apparent KM and was used as a representative substrate for further studies. A buy sinequan polyclonal antibody preparation raised in sheep against rabbit liver p-nitrophenol UGT was found to inhibit tripelennamine glucuronidation in solubilized human liver microsomes, but had no effect on p-nitrophenol, 4-methylumbelliferone, 4-aminobiphenyl, estriol, morphine, or naloxone glucuronidation. This antibody also inhibited tripelennamine glucuronidation in solubilized rabbit liver microsomes, but had little or no effect on estrone, testosterone, estradiol, androsterone, and morphine glucuronidation. Chlorpromazine competitively inhibited tripelennamine glucuronidation. This inhibition was markedly enhanced by UV light irradiation. [3H] Chlorpromazine binding to solubilized human liver microsomes was also increased by UV light. The binding was antagonized by substrates for tertiary amine UGT but not by substrates for morphine UGT. These studies suggest that the tertiary amine UGT is photo-affinity-labeled by chlorpromazine. Furthermore, it would appear from immunoinhibition and [3H]chlorpromazine labeling experiments that tertiary ammonium glucuronidation is catalyzed by a unique and distinct UGT in rabbit and human liver microsomes.

sinequan cost 2016-10-27

A 46-year-old woman's antidepressant therapy was changed from doxepin to desipramine because of sedative buy sinequan side effects. Within ten days of initiation of desipramine, a pruritic, morbilliform rash developed. The rash extended despite attempts to continue therapy with a tartrazine-free desipramine as well as antihistamines and prednisone. The rash promptly improved when desipramine was discontinued. Classic drug eruptions are quite uncommon with tricyclic antidepressants. Tartrazine, a common additive in the food and drug industry, is implicated in a number of hypersensitivity reactions. Our report presents an apparent case of desipramine-induced drug rash independent of tartrazine, and discusses the nonassociation of tartrazine.

sinequan 25 mg 2017-03-11

To compare the safety and efficacy of doxepin and hydroxyzine in the treatment of buy sinequan chronic pruritus due to exposure to sulfur mustard.

sinequan 50 mg 2015-11-06

This was a randomized, double-blind, placebo-controlled outpatient trial. Elderly adults meeting DSM-IV-TR criteria for primary insomnia were randomized to four weeks of nightly treatment with either DXP 6 mg (N=130) or placebo (PBO; N=124). Efficacy was assessed using patient self-report instruments and clinician ratings. Patient-reported endpoints included subjective total sleep time (sTST), subjective wake after sleep onset (sWASO), latency to sleep onset (LSO), sleep quality, and a Patient Global Impression scale (PGI). The primary endpoint was sTST at week buy sinequan 1.

sinequan lethal dose 2015-04-30

The fit of the model Cialis Online Discount to the concentration-time data was significantly improved when V/F was expressed as a function of weight ( P<0.05) and CL/F as a function of age ( P<0.05). Co-medication that inhibits P(450) isoenzymes lowered CL/F of doxepine by 15%.

sinequan generic name 2017-10-27

CqDOP2 has 94.7% amino acid identity to AaDOP2 and 28.3% identity to the human D1-like DAR, hD1. CqDOP2 and AaDOP2 exhibited similar pharmacological responses to biogenic amines and DAR antagonists in cell-based assays. The antagonists amitriptyline, amperozide, asenapine, chlorpromazine and doxepin were between 35 Indocin 25 Mg to 227-fold more selective at inhibiting the response of CqDOP2 and AaDOP2 in comparison to hD1. Antagonists were toxic to both C. quinquefasciatus and Ae. aegypti larvae, with LC50 values ranging from 41 to 208 μM 72 h post-exposure. Orthologous DOP2 receptors identified from the African malaria mosquito, Anopheles gambiae, the sand fly, Phlebotomus papatasi and the tsetse fly, Glossina morsitans, had high sequence similarity to CqDOP2 and AaDOP2.

sinequan pill 2016-11-14

1 In the perfused rat pancreas the effects of pizotifen on insulin release induced by 20 mM glucose were studied. 2 Pizotifen (10 and 100 muM) significantly reduced the insulin release during a 25 min perfusion period to 49% and 7% of the controls. 3 The same concentrations of the structurally related agents cyproheptadine Benicar Max Dose , doxepin, and chlorpromazine produced a comparable inhibition.

sinequan medicine 2015-04-09

A fatal intoxication due to doxepin, a tricyclic antidepressant, is described. Concentrations of doxepin and its metabolite, desmethyldoxepin, were measured in blood, urine, myocardial, and other tissues using thin layer chromatography (TLC) and gas chromatography equipped with a flame-ionisation detector (GC/FID). The developed technique also permitted the quantitative determination of the cis Adalat Medication Nifedipine and trans isomers of doxepin. A very remarkable concentration ratio of doxepin:desmethyldoxepin was observed in myocardial tissues. A detailed report on the possible significance is described.

sinequan 200 mg 2016-03-08

We searched the Cochrane Tobacco Addiction Group trials register which Diovan Bp Medication includes trials indexed in Medline, Embase, SciSearch and PsycLit, and meetings abstracts.

sinequan mg 2017-01-19

Perturbations of rat brain synaptic plasma membrane (SPM) bilayer structure and Na+/K(+)-ATPase activity were correlated for drugs that are structurally related and exhibit similar toxicological side effects but belong to different pharmacological classes. Na+/K(+)-ATPase IC50 values decrease linearly with increasing octanol/water partition coefficients (log-log plot) for a series of dimethylethylamine-containing drugs (i.e., chlorpromazine, amitriptyline, imipramine, doxepin, and diphenhydramine), emphasizing hydrophobicity in inhibition. However, nortriptyline and desipramine are 1.2 log units less hydrophobic than their N-methylated parent drugs but more potent inhibitors. To investigate this, bilayer surface structure was examined by the binding of the fluorophore 1-anilinonaphthalene-8-sulfonic acid (ANS) to SPMs. The dissociation constant and wavelength maximum of ANS are invariant with drug binding; however, the limiting fluorescence intensity of ANS (F infinity) is increased. Such data indicate that these cationic drugs bind to the membrane surface, increasing the number but not the polarity of ANS binding sites by cancelling charge at anionic phospholipid groups. More importantly, there is a close linear correlation between the concentrations of drugs necessary to increase F infinity by 40% and the IC50 values, with full compensation for the N-demethylated drugs. This correlation implies that drug-induced increases in SPM-bound ANS fluorescence are a better predictor of Na+/K(+)-ATPase inhibition than are octanol/water partition coefficients and that electrostatic interactions are also involved in inhibition. Furthermore, it points toward similar mechanisms of biomembrane surface interaction governing both inhibition and fluorescence change that are common to these drugs. K(+)-dependent p-nitrophenylphosphatase activity is inhibited with the same potency as Na+/K(+)-ATPase activity, indicating that inhibition may involve drug interaction near the K+ binding sites. Furthermore, chlorpromazine, diphenhydramine, and dimethylaminopropyl chloride alter K(+)-activation of K(+)-dependent p-nitrophenylphosphatase, progressing from noncompetitive through mixed to competitive inhibition as their hydrophobicity changes, and these mechanisms are consistent with steric hindrance of K+ binding. In contrast to the ANS data, decreases in 1 Geodon Injection Dosage ,6-diphenyl-1,3,5-hexatriene fluorescence anisotropy induced by these drugs do not correlate with Na+/K(+)-ATPase inhibition, and drug N-demethylation enhances inhibition without altering anisotropy; both findings indicate that Na+/K(+)-ATPase activity is not predominantly influenced by changes in bulk fluidity. Taken together, these data suggest that electrostatic interactions at the biomembrane surface between the protonated amino group of the drug and anionic groups on the enzyme and/or phospholipids near the K+binding sites are crucial to inhibition and that drug hydrophobicity modulated the number and orientation of these interactions.

sinequan pill identifier 2015-11-01

In a parallel-group double-blind study, 142 outpatients with "mixed anxiety/depression" were treated with amoxapine or doxepin for 4 weeks in mean maximum daily dosages of 260 mg and 130 mg, respectively. Patients in both groups improved significantly during treatment as shown by changes in the Hamilton, Zung, Patient Self-Evaluation, and Clinical Global Impressions scales. From 24 to 31 of the 71 subjects receiving amoxapine and 16 to 24 of the 71 receiving doxepin were rated as " Cymbalta Order Online unquestionably improved" at the end of the treatment period on these scales. The time to achieve this degree of response was significantly shorter with amoxapine on both the CGI (p = .018) and Hamilton (p = .005) scales. Side effects were roughly comparable with two exceptions: doxepin-treated patients experienced more daytime drowsiness (p less than or equal to .05) and amoxapine-treated patients experienced more constipation (p less than or equal to .01).

sinequan doxepin reviews 2016-09-05

Insomnia is problematic for older adults. After behavioral modifications fail to show adequate response, pharmacologic options are used. The pharmacokinetics of agents Benicar Dosage Sizes used to treat insomnia may be altered. This review focuses on the safety and efficacy of medications used to treat insomnia.

sinequan 75 mg 2016-03-05

It has been suggested that serotonin reuptake inhibitors (SSRIs) may be less effective than tricyclic antidepressants (TCAs) in treatment of melancholic depression. We treated 36 depressed ambulatory patients with doxepin or fluoxetine in a double-blind, randomized 6-week trial with placebo run-in. Seven patients treated with doxepin and 13 patients treated with fluoxetine met diagnostic criteria for melancholic depression. Average daily dose was 169.4 +/- 41.6 mg for doxepin and 36.8 +/- 18 mg for fluoxetine. We observed a 50% response rate in both treatment groups, using as outcome criterion reduction Altace Blue Pill of Hamilton Depression Scale Score to less than 10. Regardless of how strict the definition of response, we found fluoxetine to be as effective as doxepin in our group of melancholic outpatients.

sinequan 60 mg 2017-12-29

Electromembrane surrounded solid phase microextraction using conductive polymers as the sorbent is carried out for the first time for extraction of two antidepressants including amitriptyline (AMI) and doxepin (DOX), as model analytes. The polypyrrole coating was prepared and utilized as both cathode and SPME sorbent. Different variables such as the conditions for preparation of polypyrrole fiber, pH of the donor and the acceptor phases, applied voltage, and extraction time were optimized. Under the optimized conditions, figures of merit of the proposed method were investigated in human whole blood and urine samples. Intra- and inter-assay precisions ranged between 3.1-7.5% and 7.6-12.3%, respectively were obtained in different extraction media. Detection limits of 0.15 and 0.05 for AMI and 0.3 and 0.1 ng mL(-1) for DOX were achieved in the urine and blood samples, respectively. Linearity of the method was studied up to 50.0 ng mL(-1) for both analytes and coefficients of determination better than 0.9966 were achieved. Regardless of the high sample cleanup, which makes the proposed method suitable for analysis of drugs from complicated matrices, clean chromatograms were obtained. Finally, the proposed method was applied for analysis of AMI and DOX in different real samples and reasonable data were obtained.

sinequan overdose 2016-07-24

A high histamine H1 receptor (H1 R) expression cell membrane chromatography (CMC) method was developed to investigate the affinity of ligands for H1 R.

sinequan capsule 2015-12-15

Doxepin is a tricyclic antidepressant marketed as an irrational mixture of cis- and trans-geometric isomers in the ratio of 15:85. A convenient high-performance liquid chromatographic (HPLC) procedure for simultaneous quantitation of geometric isomers of doxepin and N-desmethyldoxepin in plasma and urine is described. The HPLC procedure employed a normal phase system with a silica column and a mobile phase consisting of hexane-methanol-nonylamine (95:5:0.3, v/v/v), a UV detector and nortriptyline as the internal standard. The liquid-liquid extraction solvent was a mixture of n-pentane-isopropanol (95:5, v/v). The limit of quantitation was 1 ng/ml for each isomer. The calibration curves were linear over the ranges 1-200 ng/ml (plasma) and 1-400 ng/ml (urine). In plasma, the accuracy (mean +/- S.D.) (97.53 +/- 1.67%) and precision (3.89 +/- 1.65%) data for trans-doxepin were similar to corresponding values for urine, i.e., 97.10 +/- 2.40 and 3.82 +/- 1.14%. Accuracy and precision data for trans-N-desmethyldoxepin in plasma were 97.57 +/- 2.06 and 4.38 +/- 3.24%, and in urine were 97.64 +/- 3.32 and 5.26 +/- 1.83%, respectively. Stability tests under three different conditions of storage indicated no evidence of degradation. The recovery of doxepin was 61-64% from plasma and 63-68% from urine. The method has been applied to analyses of plasma and urine samples from human volunteers and animals dosed with doxepin.

sinequan capsules 2017-08-19

The case and treatment of a 16-year-old female patient is described.