<p><strong>Pregnancy</strong>&nbsp;Category C. Isoflurane has been shown to have a possible anesthetic-related fetotoxic effect in mice when given in doses 6 times the human dose. There are no adequate and well-controlled studies in pregnant women. Isoflurane should be used during pregnancy only if the potential benefit justifies the potential risk to the fetus.<br />
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<strong>Nursing Mothers</strong>: It is not known whether this drug is excreted in human milk. Because many drugs are excreted in human milk, caution should be exercised when Isoflurane is administered to a nursing woman.</p>