Pharmacology Following statements regarding verapamil are true except: A It does not produce reflex tachycardia. B It is less potent as a coronary vasodilator. C It is contraindicated in patients with supraventricular tachycardia. D It can cause constipation. 💡 Explanation Following statements regarding verapamil are true except: ✓ Correct Answer: C. It is contraindicated in patients with supraventricular tachycardia.