Is Urea C 14 safe while breastfeeding?
Here is what LactMed, the Drugs and Lactation Database published by the U.S. National Institute of Child Health and Human Development (NICHD), reports about Urea C 14. The text below is quoted from that source — it is not our own verdict.
Summary of use during breastfeeding
Information in this record refers to the use of urea C 14 as a diagnostic agent. No information is available on the use of urea C 14 during breastfeeding. However, administration of urea C 14 directly to pediatric patients is considered to be safe.[1] International guidelines state that breastfeeding need not be interrupted after administration of urea C 14.[2]
Effects on the breastfed infant
Relevant published information was not found as of the revision date.
Effects on milk supply
Relevant published information was not found as of the revision date.
Levels in milk
Carbon 14 is a low-energy beta emitter with a physical half-life of about 5730 years.[3]
Alternatives LactMed lists
Source: Drugs and Lactation Database (LactMed), National Institute of Child Health and Human Development (NICHD), via NCBI Bookshelf, record “Urea C 14” (LM1142). LactMed on NCBI Bookshelf. LactMed is a registered trademark of the U.S. Department of Health and Human Services.
Educational summary of an authoritative source — not medical advice. Never start, stop, or change a medicine while breastfeeding without confirming with your doctor.