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U.S. Department of Health and Human Services

Safety

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Amoxil (amoxicillin) Chewable Tablets, Tablets and Oral Suspension

Detailed View: Safety Labeling Changes Approved By FDA Center for Drug Evaluation and Research (CDER) – November 2011

 

Summary View

PRECAUTIONS

Drug Interactions
Oral Anticoagulants
  • Abnormal prolongation of prothrombin time (increased international normalized ratio [INR]) has been reported in patients receiving amoxicillin and oral anticoagulants. Appropriate monitoring should be undertaken when anticoagulants are prescribed concurrently. Adjustments in the dose of oral anticoagulants may be necessary to maintain the desired level of anticoagulation.