Enoxaparin use while Breastfeeding

Drugs containing Enoxaparin: Lovenox, Clexane, Clexane Forte, Lovenox HP

Enoxaparin Levels and Effects while Breastfeeding

Summary of Use during Lactation

Limited information indicates that maternal enoxaparin in doses up to 40 mg daily do not to cause any adverse effects in breastfed infants. Because its large molecular weight of 2000 to 8000 daltons, enoxaparin would not be expected to be excreted into breasmilk or to be absorbed from breastmilk by the infant. No special precautions are required.

Drug Levels

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

Ten women received enoxaparin 20 mg and 2 received 40 mg daily by subcutaneous injection from the prepartum to the postpartum period. At 5 to 7 days postpartum, anti-Xa activity (a measurement of enoxaparin anticoagulant activity) was undetectable in their 12 completely breastfed term neonates 1.5 to 3 hours after they were breastfed for at least 5 days. No bleeding was detected among the infants during maternal enoxaparin therapy.

Possible Effects on Lactation

Relevant published information was not found as of the revision date.

Alternate Drugs to Consider

Dalteparin, Lepirudin

References

1. Guillonneau M, de Crepy A, Aufrant C et al. [Breast-feeding is possible in case of maternal treatment with enoxaparin]. Arch Pediatr (Paris). 1996;3:513-4. PMID: 8763733

Enoxaparin Identification

Substance Name

Enoxaparin

CAS Registry Number

679809-58-6

Drug Class

Administrative Information

LactMed Record Number

104

Information from the National Library of Medicine's LactMed Database.

Last Revision Date

2013-09-07

Disclaimer

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.

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