Olmesartan Medoxomil Tablets IP are a medication used to treat high blood pressure (hypertension) in adults and children above 6 years old. They belong to a class of drugs known as angiotensin II receptor blockers (ARBs), which work by relaxing blood vessels, allowing blood to flow more smoothly and lowering blood pressure. Olmesartan helps prevent serious complications of high blood pressure such as heart attacks, strokes, and kidney problems. It is usually taken once daily with or without food, as directed by a healthcare professional. Common side effects may include dizziness, headache, diarrhea, and fatigue, but serious side effects are rare.