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Antidepressant drugs anticholinergic effects

Amantadine is used cautiously in patients with seizure disorders, psychiatric problems, renal impairment, and cardiac disease. Amantadine is a Pregnancy Category B drug and is used cautiously during pregnancy and lactation. Concurrent use of antihistamines, phenothiazines, tricyclic antidepressants, disopyramide, and quinidine may increase the anticholinergic effects (dry mouth, blurred vision, constipation) of amantadine... [Pg.124]

There is an increased central nervous system (CNS) depressant effect when the skeletal muscle relaxants are administered with other CNS depressants, such as alcohol, antihistamines, opiates, and sedatives. There is an additive anticholinergic effect when cyclobenzaprine is administered with other drugs with anticholinergic effects (eg, antihistamines, antidepressants, atropine, haloperidol). See Chapter 30 for information on diazepam. [Pg.191]

The antiemetics and antivertigo drug may have additive effects when used with alcohol and other CNS depressants such as sedatives, hypnotics, antianxiety drugp, opiates, and antidepressants. There may be additive anticholinergic effects (see Chap. 25) when administered with drag s that have anticholinergic activity such as the antihistamines, antidepressants, pheno-thiazines, and disopyramide The antacids decrease absorption of the antiemetics. [Pg.311]

It is also very important, if possible, to discontinue or lower the doses of drugs with anticholinergic effects antihistamines, antipsychotics, antidepressants, uro-logic spasmolytics, anti-arrhythmics, drugs for Parkinson s disease and more. Prophylactic treatment against Candida infection, bacteria and caries can also be useful (Mouly et al. 2007). [Pg.53]

Tricyclic antidepressants are notorious for their risk to be involved in drug-drug interactions. Additive anticholinergic effects can be expected in combination with antihistamines, antipsychotics and anticholinergic-type anti-Parkinson agents. Hepatic enzyme-inducing agents increase their hepatic metabolism while enzyme inhibitors may potentiate the effects of tricyclics. Concomitant use with monoamine oxidase inhibitors will produce hypertension, hyperpyrexia and convulsions. [Pg.353]

Constipation may be caused by slow intestinal transition, pelvic floor dysfunction, bowel dysfunction like irritable Bowel syndrome and tumours, but can also be secondary to other diseases and life conditions. Many medicines cause constipation, for example opiates, calcium channel blockers and drugs with anticholinergic effects, e.g. antidepressants. [Pg.500]

After the discovery of drugs with antidepressant activity in the late 1950s, an intensive search was undertaken for pharmacological models that would provide an understanding of the therapeutic effects observed and at the same time assist in the development of other, still more effective and specific antidepressants. In pharmacological tests then available, the prototype imipramine showed sedative, antihistaminic and anticholinergic effects and thus did not differ fundamentally from other medicaments with no antidepressant activity, e.g. antihistamines. The following observations then led to a further step forward in the development of hypotheses ... [Pg.118]

A potent antidepressant drug, it does not cause sedation. In CNS it inhibits the neuronal uptake of 5-HT. It shows negligible binding to histaminergic, muscarinic, oq adrenergic receptors, so it is devoid of anticholinergic and hypotensive side effects. [Pg.104]

A large number of prescription and nonprescription drugs, as well as a variety of plants and mushrooms, can inhibit the effects of acetylcholine at muscarinic receptors. Some drugs used for other purposes (eg, antihistamines) also have anticholinergic effects. Many of them have other potentially toxic actions. For example, antihistamines such as diphenhydramine can cause seizures tricyclic antidepressants, which have anticholinergic, quinidine-like, and a-blocking effects, can cause severe cardiovascular toxicity. [Pg.1256]

Since the 1960s, it has been known that imipramine is very effective for reducing cataplexy [99], Tricyclic antidepressants were the first drugs of choice, particularly protriptyline, but the anticholinergic effect led to impotence in more than 40 % of... [Pg.51]

Drug treatments include sympathomimetic stimulants, anticholinergics, tricyclic antidepressants and synthetic antidiuretics. Of these, imipramine and desmopressin have been found to be the most effective. [Pg.422]

The selective serotonin-reuptake inhibitors (SSRI) are a new group of chemically unique antidepressant drugs that specifically inhibit serotonin reuptake (see Figure 12.3). This contrasts with the tricyclic antidepressants that nonselectively inhibit the uptake of norepinephrine, and serotonin, and block muscarinic, H histaminic and a -adrenergic receptors. Compared with tricyclic antidepressants, the SSRIs cause fewer anticholinergic effects and lower cardiotoxicity. However, the newer serotonin reuptake inhibitors should be used cautiously until their long-term effects have been evaluated. [Pg.133]

Adverse anticholinergic effects can occur immediately after the first dose of a tricyclic antidepressant. They are a major cause of poor compliance in patients who expect immediate relief, but who are not properly prepared for the delay that can occur in the beneficial effects of these drugs on mood and energy. [Pg.12]


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See also in sourсe #XX -- [ Pg.42 ]




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