Clonidine Hydrochloride (Clonisur) 150mcg/ml Solution for Injection is used for the management of severe hypertension, often in hospital settings or acute care. Each ampoule contains 150mcg of clonidine hydrochloride per milliliter. Clonidine is an alpha-2 adrenergic agonist that works by decreasing nerve signal transmission in the brain, leading to a reduction in blood pressure. The solution comes in a pack of 10 ampoules, typically administered by a healthcare professional via injection. It may also be used in other medical conditions as prescribed.