A person taking tricyclic antidepressants presents with blurred vision and dry mouth. These adverse effects results due to blockade of:: (A) M3 muscarinic receptors, (B) GABA receptor, (C) H1 histamine receptors, (D) 5HT2 receptors
Answer is A. Anticholinergic adverse effects of TCAs include dry mouth, constipation, blurring of vision, urinary retention, etc. REF:KD TRIPATHI 8TH ED.