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Drugs and Lactation Database (LactMed) [Internet]. Bethesda (MD): National Library of Medicine (US); 2006-.

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Drugs and Lactation Database (LactMed) [Internet].

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Penciclovir

Last Revision: October 31, 2018.

Estimated reading time: 1 minute

CASRN: 39809-25-1

Chemical structure

Drug Levels and Effects

Summary of Use during Lactation

Although there is no published experience with penciclovir during breastfeeding, infant side effects are unlikely with maternal topical application to small areas of the mother's body away from the breast. Only water-miscible cream or gel products should be applied to the breast because ointments may expose the infant to high levels of mineral paraffins via licking.[1]

Drug Levels

Maternal Levels. Relevant published information was not found as of the revision date.

Infant Levels. Relevant published information was not found as of the revision date.

Effects in Breastfed Infants

Relevant published information was not found as of the revision date.

Effects on Lactation and Breastmilk

Relevant published information was not found as of the revision date.

Alternate Drugs to Consider

Acyclovir

References

1.
Noti A, Grob K, Biedermann M et al. Exposure of babies to C(15)-C(45) mineral paraffins from human milk and breast salves. Regul Toxicol Pharmacol. 2003;38:317-25. [PubMed: 14623482]

Substance Identification

Substance Name

Penciclovir

CAS Registry Number

39809-25-1

Drug Class

  • Breast Feeding
  • Anti-Infective Agents
  • Antiviral Agents

Disclaimer: Information presented in this database is not meant as a substitute for professional judgment. You should consult your healthcare provider for breastfeeding advice related to your particular situation. The U.S. government does not warrant or assume any liability or responsibility for the accuracy or completeness of the information on this Site.

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