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Pharmacology Histamine, 5-HT and PGs ef072b5e

The drug possessing antagonistic action at histamine, serotonin and muscarinic receptors is:

A

Promethazine

B

Terfenadine

C

Cyproheptadine

D

Hydroxyzine

High-Yield Explanation

-Cyproheptadine blocks 5HT2A, H1 and muscarinic receptors. -It increases appetite and can be used to promote weight gain in children.

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