Catapres (generic: clonidine) is a prescription medication used to treat high blood pressure. Catapres belongs to a group of drugs called centrally acting alpha-agonist hypotensive agents, which work by relaxing the blood vessels and decreasing heart rate.

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

This medication also comes in patch form, which is applied to the skin once every 7 days before the next patch is used.

Common side effects of Catapres include dry mouth, constipation, and sedation.

Catapres can cause dizziness or drowsiness. Do not drive or operate heavy machinery until you know how this medication will affect you. Alcohol may intensify this side effect.