Trazodone
生产企业：Labopharm inc, Apothecon inc div bristol myers squibb，另有 13 家
Trazodone is a serotonin uptake inhibitor used to treat major depressive disorder.
Trazodone is a serotonin uptake inhibitor used to treat major depressive disorder.
The mechanism of action of trazodone is not fully understood, however, it is known to inhibit the reuptake of serotonin and block both histamine and alpha-1-adrenergic receptors. Despite the fact that trazodone is frequently considered a selective serotonin reuptake inhibitor, several reports have shown that other mechanisms including antagonism at serotonin 5-HT1a, 5-HT1c, and 5-HT2 receptor subtypes may occur. The strongest antagonism of trazodone is reported to occur at the serotonin 5-HT21c receptors, preventing serotonin uptake. In addition to acting on serotonin receptors, trazodone has been shown to inhibit serotonin transporters. The antidepressant effects of trazodone result from the inhibition of receptor uptake, which normally decreases circulating neurotransmitters, contributing to depressive symptoms.
Trazodone is indicated for the treatment of major depressive disorder (MDD). It has been used off-label for adjunct therapy in alcohol dependence, and off-label to treat anxiety and insomnia. It may also be used off-label to treat symptoms of dementia, Alzheimer’s disease, schizophrenia, eating disorders, and fibromyalgia due to its effects on various neurotransmitter receptors.
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