A person taking tricyclic antidepressants presents with blurred vision and dry mouth. These adverse effects result due to blockade of:
Ans. (A) M3 muscarinic receptors(Ref: KDT 8/e p486)Anticholinergic adverse effects of TCAs include dry mouth, constipation, blurring of vision, urinary retention, etc.
M3 muscarinic receptors
GABAA receptors
H1 histamine receptors
5HT2 receptors
C.N.S