Condition Treated: Tablet is a medicine used to prevent angina (chest pain) and migraine, and manage pheochromocytoma (a rare adrenal gland tumor). It works by slowing the heart rate and relaxing blood vessels, helping to reduce strain on the heart and improve blood flow.
Usage: Oral Tablet should always take it as prescribed by the doctor. It can be taken with or without food. 
Side Effects: include tiredness, dizziness, weakness, cold fingers or toes, and stomach pain