Is Dimethyl Sulfone safe while breastfeeding?
Here is what NIH LactMed, the U.S. National Library of Medicine's authority on medicines and breastfeeding, reports about Dimethyl Sulfone. 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. Four human milk samples were obtained from four healthy nursing women (one sample from each mother) at a mean of 80 days postpartum. The amounts of dimethyl sulfone were less in their milk than in infant formulas derived from cow s milk.[ 1 ] In a study of the milk of 429 Finnish mothers, milk levels of dimethyl sulfone ranged from 0.9 to 1.2 mcg/L.[ 2 ] Infant Levels. Relevant published information was not found as of the revision date.
“No published information” means the studies do not exist yet — not that Dimethyl Sulfone 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.