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U.S. Department of Health and Human Services


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Isoptin SR (verapamil HCL) 120 mg, 180 mg, and 240 mg Sustained Release tablets

Detailed View: Safety Labeling Changes Approved By FDA Center for Drug Evaluation and Research (CDER) -- July 2009


Summary View



Drug interactions/Other agents
  • Telithromycin: Hypotension and bradyarrhythmias have been observed in patients receiving concurrent telithromycin, an antibiotic in the ketolide class.