Most common side effect of calcium channel blockers is: (A) Nausea, (B) Constipation, (C) Postural hypotension, (D) Headache
Answer is D. Calcium channel blockers: Most common side effect is headache CCB cause flushing, headache, angioedema, reflex tachycardia. Verapamil, diltiazem- both vasodilation and decrease in hea rate Nifedipine, clevidipine - only vasodilation but increase in hea rate. Avoid in angina.