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Serotonin antagonist and reuptake inhibitors (SARIs) are a class of drugs used mainly as antidepressants, but also as anxiolytics and hypnotics. They act by antagonizing serotonin receptors such as 5-HT 2A and inhibiting the reuptake of serotonin, norepinephrine, and/or dopamine. Additionally, most also antagonize α 1-adrenergic receptors.
Keep reading to learn how SSRI drugs work, the different types of SSRIs, the side effects of SSRI drugs and more. How SSRIs Work To understand how SSRIs work, let’s back up a minute.
Selective serotonin reuptake inhibitors (SSRIs) are a class of drugs that are typically used as antidepressants in the treatment of major depressive disorder, anxiety disorders, and other psychological conditions. SSRIs increase the extracellular level of the neurotransmitter serotonin by limiting its reabsorption (reuptake) into the ...
For example, cocaine, which non-selectively inhibits the reuptake of serotonin, norepinephrine, and dopamine, is an SRI but not an SSRI. SRIs are used predominantly as antidepressants (e.g., SSRIs, SNRIs, and TCAs), though they are also commonly used in the treatment of other psychological conditions such as anxiety disorders and eating disorders.
The SSRIs also have less affinity for α 1, α 2, H 1 and muscarinic receptors, which might explain the differences of adverse events between TCAs and SSRIs. [ 6 ] Although SSRIs arrive rapidly to the brain after administration and the effects on 5-HT re-uptake can be measured instantly, it takes about 2–4 weeks to get therapeutic effects ...
This is a complete list of clinically approved prescription antidepressants throughout the world, as well as clinically approved prescription drugs used to augment antidepressants or mood stabilizers, by pharmacological and/or structural classification. Chemical/generic names are listed first, with brand names in parentheses.
However, there are differences between TCA related antidepressants and classical TCAs in terms of side effect profiles and withdrawal when compared to SSRIs. [67] There is evidence a prominent side-effect of antidepressants, emotional blunting, is confused with a symptom of depression itself. The cited study, according to Professor Linda Gask was:
A drug class is a group of medications and other compounds that share similar chemical structures, act through the same mechanism of action (i.e., binding to the same biological target), have similar modes of action, and/or are used to treat similar diseases.