<p><strong>Pregnancy</strong>: When administered during the last few weeks of pregnancy, rifampin can cause post natal hemorrhages in the mother and infant for which treatment with&nbsp;vitamin K&nbsp;may be indicated.<br />
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<strong>Nursing Mothers</strong>: Because of the potential for tumorigenicity shown for rifampin in animal studies, a decision should be made whether to discontinue nursing or discontinue the drug, taking into account the importance of the drug to the mother.</p>