Cardene SR (generic: nicardipine) is a prescription medication used to treat high blood pressure. Cardene SR belongs to a group of drugs called calcium channel blockers, which relax blood vessels, making it easier for the heart to pump blood.

This medication comes in tablet form and is taken twice a day, with or without food.

Common side effects of Cardene SR include swelling in the feet, headache, and nausea. Cardene SR can cause dizziness. Do not drive or operate heavy machinery until you know how Cardene SR affects you.