Furosemide use while Breastfeeding
Drugs containing Furosemide: Lasix, Diaqua-2, Lo-Aqua
Medically reviewed on January 9, 2018
Furosemide Levels and Effects while Breastfeeding
Summary of Use during Lactation
Because little information is available on the use of furosemide during breastfeeding and because intense diuresis might decrease lactation, an alternate drug may be preferred, especially while nursing a newborn or preterm infant.
Maternal Levels. Relevant published information was not found as of the revision date.
Infant Levels. Relevant published information was not found as of the revision date.
Effects in Breastfed Infants
Anecdotal, short-term observations at one medical center found no adverse infant effects from maternal use of furosemide in the immediate postpartum period.
Effects on Lactation and Breastmilk
Furosemide 20 mg intramuscularly on the first postpartum day followed by 40 mg orally for 4 days has been used in conjunction with fluid restriction and breast binding to suppress lactation within 3 days postpartum. The added contribution of furosemide to fluid restriction and breast binding, which are effective in suppressing lactation, is not known. No data exist on the effects of loop diuretics on established lactation.
Alternate Drugs to Consider
1. Font LM. Breast milk and drugs. MCN Am J Matern Child Nurs. 1989;14:308-9. Letter. PMID: 2507852
2. Cominos DC, Van Der Walt A, Van Rooyen AJ. Suppression of postpartum lactation with furosemide. S Afr Med J. 1976;50:251-2. PMID: 3858
CAS Registry Number
LactMed Record Number
Information presented in this database is not meant as a substitute for professional judgment. You should consult your healthcare provider for breastfeeding advice related to your particular situation. The U.S. government does not warrant or assume any liability or responsibility for the accuracy or completeness of the information on this Site.
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
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- Drug class: loop diuretics
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Other brands: Lasix