Trimipramine
A tricyclic antidepressant
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Trimipramine is a tricyclic antidepressant (TCA) used in the treatment of depression. It is known for its sedative properties and is often prescribed for patients with insomnia associated with depression. Trimipramine is marketed under various brand names, including Surmontil.
Pharmacology
Trimipramine works by inhibiting the reuptake of neurotransmitters such as serotonin and norepinephrine, thereby increasing their levels in the synaptic cleft and enhancing neurotransmission. Unlike other TCAs, trimipramine has a unique mechanism of action as it also acts as an antagonist at certain serotonin receptors, which may contribute to its antidepressant effects.
Medical uses
Trimipramine is primarily used to treat major depressive disorder. It is particularly effective in patients who experience anxiety and sleep disturbances as part of their depressive symptoms. Due to its sedative effects, it is often prescribed for patients with insomnia.
Side effects
Common side effects of trimipramine include dry mouth, constipation, blurred vision, and drowsiness. It may also cause orthostatic hypotension, which is a drop in blood pressure upon standing. As with other TCAs, there is a risk of cardiotoxicity in overdose.
Interactions
Trimipramine can interact with other medications, including monoamine oxidase inhibitors (MAOIs), which can lead to serious side effects. It may also interact with alcohol, enhancing its sedative effects.
History
Trimipramine was first introduced in the 1960s and has been used in clinical practice for several decades. It remains a valuable option for patients who do not respond to other antidepressants.
Related pages
References
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Trimipramine 2D Structure -
Trimipramine Ball-and-Stick Model
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