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U.S. Department of Health and Human Services

Safety

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Flumadine (rimantadine hydrochloride) tablets

Detailed View: Safety Labeling Changes Approved By FDA Center for Drug Evaluation and Research (CDER) – April 2010

 

Summary View

 

PRECAUTIONS

General
  • Following multiple-dose administration of rimantadine, there were no clinically relevant differences in rimantadine systemic exposure between subjects with mild or moderate renal impairment compared to healthy subjects. In subjects with severe renal impairment, rimantadine systemic exposure increased by 81%, compared with healthy subjects. Because of the potential for increased accumulation of rimantadine metabolites in renally impaired subjects, caution should be exercised when these patients are treated with rimantadine.
Drug Interactions
  • Cimetidine: When a single 100 mg dose of Flumadine was administered with steady-state cimetidine (300 mg four times a day), there were no statistically significant differences in rimantadine Cmax or AUC between Flumadine alone and Flumadine in the presence of cimetidine.