Pharmacology C.N.S c6e84c67

A person taking tricyclic antidepressants presents with blurred vision and dry mouth. These adverse effects result due to blockade of:

M3 muscarinic receptors

GABAA receptors

H1 histamine receptors

5HT2 receptors

High-Yield Explanation

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.

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A person taking tricyclic antidepressants presents with blurred vision and dry mouth. These adverse effects result due to blockade of:

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