Sapharin Hydralazine Hydrochloride 20mg/ml Solution for Injection is a medication used to treat high blood pressure (hypertension) and heart failure. Each ampoule contains 20mg of Hydralazine hydrochloride per milliliter, and it is typically administered via intramuscular (IM) or intravenous (IV) injection. Hydralazine works by relaxing and widening the blood vessels, which helps reduce blood pressure and ease the workload on the heart. The pack contains 10 ampoules, making it suitable for multiple doses in a clinical or hospital setting.