serotonin 5-HT2 receptors

Every compound in the sci-wiki that affects serotonin 5-ht2 receptors; the ones you can source are floated to the front, then the reference-only entries. Tap any for the full entry, mechanism, and outlets.

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Antipsychotic

Olanzapine

Olanzapine is an atypical, or second-generation, antipsychotic used to treat schizophrenia and bipolar disorder. Chemically a thienobenzodiazepine, it was discovered in a search for compounds resembling clozapine but without that drug's blood-monitoring requirement, and it works by blocking a broad range of dopamine and serotonin receptors. Beyond psychiatry it is a highly effective antiemetic and appetite stimulant even at very low doses, which is used in cancer care, though it is among the antipsychotics most likely to cause weight gain and metabolic problems, prompting the development of an olanzapine-samidorphan combination to blunt that effect.

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Antipsychotic

Quetiapine

Quetiapine is an atypical, or second-generation, antipsychotic used to treat schizophrenia, bipolar disorder, and, as an add-on, major depression. Its effects are strongly shaped by dose and by its active metabolite norquetiapine, which inhibits the norepinephrine transporter and modulates several serotonin receptors, giving quetiapine genuine antidepressant activity; at low doses its dominant action is sedating H1-antihistamine blockade with little dopamine occupancy, while antipsychotic dopamine blockade emerges only at higher doses. Marketed originally as Seroquel and now generic, it is on the World Health Organization list of essential medicines and is also widely, though generally discouraged, prescribed off-label as a sedative for insomnia.

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