<p>Pregnancy Category B. There are no adequate and well-controlled studies of systemic Acyclovir in pregnant women. No studies have been performed in pregnant women. Systemic exposure of Acyclovir and Hydrocortisone following topical administration of this cream is minimal. It is not known whether topically applied Acyclovir or Hydrocortisone is excreted in breast milk. Because many drugs are excreted in human milk, caution should be exercised when administered to a nursing woman.</p>