Clonidine is an alpha-2 agonist. It works by relaxing blood vessels which makes the heart more efficient at pumping blood around the body.
Dizziness, Fatigue, Sleepiness, Dryness in mouth, Orthostatic hypotension (sudden lowering of blood pressure on standing)
Clonidine is used in the treatment of high blood pressure
It can also be used to prevent migraine attacks and hot flushes that may occur in women during the menopause.