Pharmacology 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 💡 Explanation A person taking tricyclic antidepressants presents with blurred vision and dry mouth. These adverse effects results due to blockade of: ✓ Correct Answer: A. M3 muscarinic receptors