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Nitrofurantoin and Breastfeeding: Safety Concerns | Urinary Tract Infection


    Nitrofurantoin is a commonly prescribed antibiotic for urinary tract infections (UTIs), but lactating mothers often face a dilemma: is it safe to take nitrofurantoin while breastfeeding? While generally considered acceptable in certain situations, it’s crucial to understand the potential risks and explore alternative options before making a decision.

    Why the Caution?

    • Nitrofurantoin passes into breast milk in small amounts. While the exact effect on babies is unclear, potential side effects like vomiting, diarrhea, and decreased milk supply have been reported.
    • Infants under 1 month, especially those with glucose-6-phosphate dehydrogenase (G6PD) deficiency, are at higher risk. Nitrofurantoin can cause hemolytic anemia in these babies, a serious condition affecting red blood cells.
    • Don’t not take Nitrofurantoin if the newborn baby has jaundice as it’s generally not recommended

    Factors to Consider:

    • Baby’s Age and Health: Healthy babies older than 1 month are generally less susceptible to side effects. Consult your doctor about your baby’s specific situation.
    • G6PD Deficiency: If your baby has G6PD deficiency, nitrofurantoin should be avoided entirely. Discuss alternative antibiotic options with your doctor.
    • Duration of Treatment: Short-term courses (less than a week) pose less risk than long-term use.
    • Alternative Antibiotics: Several other breastfeeding-safe antibiotics are available for UTIs. Your doctor can recommend the best option for your specific case.

    Safe Practices if Taking Nitrofurantoin:

    • Monitor your baby for any side effects: Watch for changes in feeding patterns, diarrhea, fussiness, or jaundice.
    • Breastfeed on an empty stomach or right before taking the medication: This minimizes the amount of nitrofurantoin transferred to your breast milk.
    • Pump and dump for the first dose: Consider discarding the first breast milk feeding after taking the initial dose.


    • Consulting your doctor is crucial before taking any medication while breastfeeding. Discuss your symptoms, your baby’s health, and any potential risks and benefits.
    • Open communication with your healthcare provider is key to ensuring the safety and well-being of both you and your baby.