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Buspirone, sold under the brand name Buspar among others, is an anxiolytic, a medication primarily used to treat anxiety disorders, particularly generalized anxiety disorder (GAD). [ 10 ] [ 11 ] It is a serotonin 5-HT 1A receptor partial agonist , increasing action at serotonin receptors in the brain. [ 3 ]
Onset of action is the duration of time it takes for a drug's effects to come to prominence upon administration. With oral administration , it typically ranges anywhere from 20 minutes to over an hour, depending on the drug in question.
In general, this delay to onset of action is attributed to a spectrum of long-term adaptive changes. These include receptor desensitization, alterations in intracellular transduction cascades and gene expression , the induction of neurogenesis , and modifications in synaptic architecture and signaling.
The full mechanism of action for the anti-inflammatory effects of SSRIs is not fully known. However, there is evidence for various pathways to have a hand in the mechanism. One such possible mechanism is the increased levels of cyclic adenosine monophosphate (cAMP) as a result of interference with activation of protein kinase A (PKA), a cAMP ...
Buspirone was originally classified as an azaspirodecanedione, shortened to azapirone or azaspirone due to the fact that its chemical structure contained this moiety, and other drugs with similar structures were labeled as such as well. However, despite all being called azapirones, not all of them actually contain the azapirodecanedione ...
Etifoxine, sold under the trade name Stresam among others, is a nonbenzodiazepine anxiolytic agent, primarily indicated for short-term management of adjustment disorder, specifically instances of situational depression accompanied by anxiety, such as stress-induced anxiety.
Delayed onset of action. Bupropion: Wellbutrin [147] No No No NDRI & nAChR antagonist High [148] Delayed onset of action. Is slightly-modestly less efficacious than methylphenidate and atomoxetine. [149] Buspirone: Buspar [150] Not available No No 5-HT 1A partial agonist: Low [c] Delayed onset of action.
Buspar – an anxiolytic used to treat generalized anxiety disorder; Belbuca, Buprenex, Butrans, Subutex, Probuohine (buprenorphine) - an opioid medicine used to treat moderate to severe pain, and in some formulations to treat opioid use disorder; Belsomra – used to treat insomnia