Safety in Lactation: Urinary-tract infections

Nitrofurantoin and methenamine are indicated for treatment of acute and chronic urinary-tract infections and for prophylaxis . Information regarding their use in breastfeeding relates to short-term exposure only.
Monitor infant for gastro-intestinal disturbances and oral candida infection, especially if used in high doses, although these effects are unlikely to occur.
Choice of alternatives may be directed by local antimicrobial policy.

MethenamineNitrofurantoin