Question

I am a breastfeeding mother and i want to know if it is safe to use R-657? Is R-657 safe for nursing mother and child? Does R-657 extracts into breast milk? Does R-657 has any long term or short term side effects on infants? Can R-657 influence milk supply or can R-657 decrease milk supply in lactating mothers?

Answer by DrLact: About R-657 usage in lactation

Methenamine passes into milk in small quantities and appears safe to use, even while nursing a newborn.

R-657 Side Effects in Breastfeeding

Four newborn infants were allowed to breastfeed in one study after a maternal dose of 1 g of R-657. No adverse effects were reported.[1]
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