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Concept
Protriptyline
Summary
Protriptyline, sold under the brand name Vivactil among others, is a tricyclic antidepressant (TCA), specifically a secondary amine, indicated for the treatment of depression and attention-deficit hyperactivity disorder (ADHD). Uniquely among most of the TCAs, protriptyline tends to be energizing instead of sedating, and is sometimes used for narcolepsy to achieve a wakefulness-promoting effect.
TCAs including protriptyline are also used to reduce the incidence of recurring headaches such as migraine, and for other types of chronic pain.
Protriptyline is used primarily to treat depression and to treat the combination of symptoms of anxiety and depression. Like most antidepressants of this chemical and pharmacological class, protriptyline has also been used in limited numbers of patients to treat panic disorder, obsessive-compulsive disorder, attention-deficit/hyperactivity disorder, enuresis, eating disorders such as bulimia nervosa, cocaine dependency, and the depressive phase of bipolar disorder (manic-depressive) disorder. It has also been used to support smoking cessation programs.
Protriptyline is available as 5 mg and 10 mg tablets. Doses range from 15 to 40 mg per day and can be taken in one daily dose or divided into up to four doses daily. Some people with severe depression may require up to 60 mg per day.
In adolescents and people over age 60, therapy should be initiated at a dose of 5 mg three times a day and increased under supervision of a physician as needed. Patients over age 60 who are taking daily doses of 20 mg or more should be closely monitored for side effects such as rapid heart rate and urinary retention.
Like all TCAs, protriptyline should be used cautiously and with close physician supervision. This is especially so for persons with glaucoma, especially angle-closure glaucoma (the most severe form) or urinary retention, for men with benign prostatic hypertrophy (enlarged prostate gland), and for the elderly.
Official source
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