Propranolol hydrochloride is a medication classified as a beta-blocker. It is commonly used to treat a variety of conditions, including hypertension (high blood pressure), angina (chest pain), heart rhythm disorders, and migraines. Propranolol hydrochloride works by blocking the action of certain chemicals in the body, specifically beta-adrenergic receptors, which helps to reduce the heart rate and relax blood vessels, resulting in decreased blood pressure. It can also be used to manage symptoms associated with anxiety, such as tremors and rapid heartbeat. Propranolol hydrochloride is typically taken orally in tablet form and should be used as prescribed by a healthcare professional. It is important to follow the recommended dosage and discuss any potential side effects or interactions with other medications. Abruptly stopping the use of propranolol hydrochloride should be avoided, and the medication should be tapered off under medical supervision.