Weight gain caused by antipsychotics is due to antagonism of:: (A) 5 HT3, (B) 5 HT2A, (C) 5 HT2B, (D) 5 HT2C
Answer is D. Ans. (D) 5HT2C (Ref: Goodman Gilman 12/e p435)Antipsychotics cause weight gain due to their antagonistic action on H1 and 5HT2C receptors.