Diovan 160mg is a prescription medication containing valsartan, an angiotensin II receptor blocker (ARB) used to treat high blood pressure, heart failure, and to improve survival after heart attack. Each pack contains 28 film-coated tablets manufactured by Novartis. The active ingredient valsartan works by blocking the action of angiotensin II, a substance that causes blood vessels to narrow and blood pressure to rise. By blocking this effect, Diovan helps blood vessels relax and widen, lowering blood pressure. The tablets come in a light blue and white box with clear Novartis branding. The medication should be stored at room temperature away from moisture and heat. This is a prescription-only medication that should be taken as directed by your healthcare provider.