Does Verapamil Make You Sleepy?

Does Verapamil Make You Sleepy? Verapamil oral capsule may make you dizzy or drowsy. Don’t drive, operate heavy machinery, or do anything that requires mental alertness until you know how it affects you. What is the peak time for verapamil? Peak plasma concentrations are reached between 1 and 2 hours after oral administration. Chronic oral