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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 ...
What are SSRIs and what does SSRI stand for? SSRIs are a group of antidepressants known as selective serotonin reuptake inhibitors that work to prevent the brain from reabsorbing serotonin, a key ...
This delay can explain the reason why antidepressants do not have effect on depression immediately. This can also be the reason why the antidepressant mechanisms can be connected to the increasing neuro impulse flow from 5-HT neurons, where as the concentration of 5-HT increases at the axon terminal before SSRIs start to work properly.
The pharmacology of antidepressants is not entirely clear.. The earliest and probably most widely accepted scientific theory of antidepressant action is the monoamine hypothesis (which can be traced back to the 1950s), which states that depression is due to an imbalance (most often a deficiency) of the monoamine neurotransmitters (namely serotonin, norepinephrine and dopamine). [1]
Compared to older antidepressants like monoamine oxidase inhibitors (MAOIs) and tricyclic antidepressants (TCAs), SSRIs like escitalopram tend to be safer and less likely to cause side effects or ...
Most but not all values are for human proteins. These drugs act as antagonists or inverse agonists of the 5-HT 2A , α 1 -adrenergic, and H 1 receptors, as partial agonists of the 5-HT 1A receptor, [ 3 ] and as inhibitors of the transporters. mCPP is an antagonist of the 5-HT 2B receptor, an agonist of the 5-HT 1A , [ 3 ] 5-HT 2C , and 5-HT 3 ...
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