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CALAN® SR Contraindications (verapamil sustained release oral caplets)

CONTRAINDICATIONS

Verapamil HCl extended-release tablets are contraindicated in:

  1. Severe left ventricular dysfunction (see WARNINGS)
  2. Hypotension (systolic pressure less than 90 mm Hg) or cardiogenic shock
  3. Sick sinus syndrome (except in patients with a functioning artificial ventricular pacemaker)
  4. Second- or third-degree AV block (except in patients with a functioning artificial ventricular pacemaker)
  5. Patients with atrial flutter or atrial fibrillation and an accessory bypass tract (eg, Wolff-Parkinson-White, Lown-Ganong-Levine syndromes) (see WARNINGS)
  6. Patients with known hypersensitivity to verapamil hydrochloride
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