Side effects of verapamil?

Verapamil: Blood pressure medication which can slow the heart rate and cause constipation.

Verapamil SE: The most common adverse effect is constipation. Other adverse effects may be hypotension, fluid retention, drowsiness and cardiac dysfunction.

Common side effects : Include: low blood pressure, slow heart rate, constipation, headache , nausea, fatigue to name a few.