Lacidipine Products | Cleanchem - Lacidipine is a calcium channel blocker used to manage hypertension by relaxing and widening blood vessels, reducing peripheral resistance. It selectively blocks L-type calcium channels in vascular smooth muscle, resulting in vasodilation without affecting cardiac contractility significantly. Lacidipine has a long duration of action, allowing for once-daily dosing. It is generally well tolerated, with common side effects including flushing and headache.