Isoptin Sr

Isoptin Sr

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Generic name: Verapamil Extended-release - Oral
Brand name(s): Calan SR, Isoptin SR

Verapamil is used with or without other medications to treat high blood pressure (hypertension). Lowering high blood pressure helps prevent strokes, heart attacks, and kidney problems. Verapamil is called a calcium channel blocker. It works by relaxing blood vessels so blood can flow more easily. It may also lower the heart rate.