What is "clonidine"

n. A drug traditionally prescribed for hypertension, having the chemical formula C₉H₉Cl₂N₃, and acting by stimulating α2 receptors in the brain

n. an antihypertensive (trade name Catapres) that can be administered orally or via transdermal patches [syn: Catapres]

Clonidine (trade names Catapres, Kapvay, Nexiclon, Clophelin, and others) is a medication used to treat high blood pressure, attention deficit hyperactivity disorder, anxiety disorders, withdrawal (from either alcohol, opioids, or smoking), migraine, menopausal flushing, diarrhea, and certain pain conditions. It is classified as a centrally acting α adrenergic agonist and imidazoline receptor agonist that has been in clinical use for over 40 years.