Is R-657 Safe in Breastfeeding
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]
Alternate Drugs
Fosfomycin(Safe)
Trimethoprim(Safe)
Nitrofurantoin(Safe)
Nalidixic Acid(Low Risk)
Methenamine(Unsafe)
Methenamine Mandelate(Unsafe)