From the options below, which drug is listed as having strong anticholinergic properties?

From the options below, which drug is listed as having strong anticholinergic properties?

• A. Chlorpromazine
• B. Clozapine
• C. Loxapine
• D. Olanzapine

Answer: (B)

Clozapine has the strongest anticholinergic (antimuscarinic) activity among common antipsychotics, which is why it’s the best choice here. Blocking muscarinic receptors dampens acetylcholine effects, leading to typical anticholinergic side effects such as dry mouth, constipation, blurred vision, urinary retention, and tachycardia. While other antipsychotics like chlorpromazine, loxapine, and olanzapine do have some anticholinergic effects, they are not as pronounced as those seen with clozapine.

Clozapine has the strongest anticholinergic (antimuscarinic) activity among common antipsychotics, which is why it’s the best choice here. Blocking muscarinic receptors dampens acetylcholine effects, leading to typical anticholinergic side effects such as dry mouth, constipation, blurred vision, urinary retention, and tachycardia. While other antipsychotics like chlorpromazine, loxapine, and olanzapine do have some anticholinergic effects, they are not as pronounced as those seen with clozapine.