Clonidine sold under the brand name Catapres. Clonidine used to treat high blood pressure. Clonidine relaxes your blood vessels. Clonidine is a type of medicine called a vasodilator. Clonidine prevent migraine or other similar types of headache . Degradation impurity, Clonidine Process impurity, Clonidine Potential impurity, Clonidine USP Related Compound, Clonidine N-Nitroso impurity, Clonidine nitrosamine impurity etc. are listed below