Generic name: Amlodipine/valsartan - Oral Brand name(s): Exforge This product is used to treat high blood pressure (hypertension). Lowering high blood pressure helps prevent strokes, heart attacks, and kidney problems.This product contains 2 medications, amlodipine and valsartan. Amlodipine is a calcium channel blocker, and valsartan is an angiotensin receptor blocker. They both work differently to relax the blood vessels so that blood can flow through the body more easily.These medications are used together when one drug is not controlling your blood pressure. Your doctor may direct you to start taking the individual medications first, and then switch you to this combination product if it is the best dose combination for you.