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Fluoxetine, sold under the brand name Prozac, among others, is an antidepressant medication of the selective serotonin reuptake inhibitor (SSRI) class [2] used for the treatment of major depressive disorder, anxiety, obsessive–compulsive disorder (OCD), panic disorder, premenstrual dysphoric disorder, and bulimia nervosa. [2]
By inhibiting the reuptake of serotonin, antidepressants — such as SSRIs and serotonin-norepinephrine reuptake inhibitors (SNRIs) — increase levels of serotonin in the body and reduce the ...
[70] [64] However, various neurochemical, hormonal, and biochemical changes during SSRI use—such as reduced dopamine levels, increased serotonin, inhibition of nitric oxide synthase, and the blocking of cholinergic and alpha-1 adrenergic receptors—could account for their sexual adverse effects.
Dopamine receptors are a class of G protein-coupled receptors that are prominent in the vertebrate central nervous system (CNS) and are implicated in many neurological processes, including motivational and incentive salience, cognition, memory, learning, and fine motor control, as well as modulation of neuroendocrine signaling.
(Certain antidepressants are designed to increase serotonin in your brain.) Dopamine, another key neurotransmitter modulated by estrogen, influences the reward and pleasure centers in the brain.
Antidepressants that have dual mechanisms of action inhibit the reuptake of both serotonin and norepinephrine and, in some cases, inhibit with weak effect the reuptake of dopamine. [10] Antidepressants affect variable neuronal receptors such as muscarinic cholinergic, α 1 - and α 2-adrenergic, H 1-histaminergic, and sodium channels in the ...
Switching From Zoloft to Prozac: Final Thoughts. Thinking about swapping out your current medication for a new antidepressant is a big decision — but you don’t have to do it alone. With the ...
Serotonin (/ ˌ s ɛr ə ˈ t oʊ n ɪ n, ˌ s ɪər ə-/) [6] [7] [8] or 5-hydroxytryptamine (5-HT) is a monoamine neurotransmitter.Its biological function is complex, touching on diverse functions including mood, cognition, reward, learning, memory, and numerous physiological processes such as vomiting and vasoconstriction.