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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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Urea C 13

Last Revision: December 3, 2018.

CASRN: 58069-82-2

Chemical structure

Drug Levels and Effects

Summary of Use during Lactation

Information in this record refers to the use of urea C13 as a diagnostic agent. Because carbon 13 is not radioactive, no special precautions are required for nursing mothers.

Drug Levels

Carbon 13 is not radioactive.

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

Urea C 14

Substance Identification

Substance Name

Urea C 13

CAS Registry Number

58069-82-2

Drug Class

  • Breast Feeding
  • Carbon Isotopes
  • Diagnostic 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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