Is Tolmetin safe while breastfeeding?
Here is what NIH LactMed, the U.S. National Library of Medicine's authority on medicines and breastfeeding, reports about Tolmetin. This is a summary of that source — not our own verdict.
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
Maternal Levels . Following a single 400 mg dose of tolmetin in a woman who was 2 months postpartum, peak milk levels occurred at 40 and 60 minutes after the dose in the right and left breasts, respectively, and averaged 160 mcg/L. The drug was undetectable ( 30 mcg/L) in milk by 5 hours after the dose and its half-life in breastmilk was 1.54 hours.[ 1 ] Using the peak milk level data, the estimated maximum intake of an exclusively breastfed infant would be 0.4% of the maternal weight-adjusted dosage. Infant Levels . Relevant published information was not found as of the revision date.
Alternatives LactMed lists
“No published information” means the studies do not exist yet — not that Tolmetin is known to be harmful, and not that it is known to be safe. Your prescriber or pharmacist can weigh your baby's age and whether a better-studied alternative would do the same job. Worth asking before stopping a medicine you need.
Source: NIH LactMed (National Library of Medicine).
Educational summary of an authoritative source — not medical advice. Never start, stop, or change a medicine while breastfeeding without confirming with your doctor.