GENERIC NAME: VERAPAMIL - INJECTION (ver-APP-uh-mill)
BRAND NAME(S): Isoptin
USES: This drug is a calcium channel blocker. Calcium is involved in blood vessel contraction and in controlling the electrical impulses within the heart. By blocking calcium, verapamil relaxes and widens blood vessels and can normalize heart rates. Verapamil is used to treat irregular heartbeats.
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