Attribution Statement: LactMed is a registered trademark of the U.S. Department of Health and Human Services.
NCBI Bookshelf. A service of the National Library of Medicine, National Institutes of Health.
Drugs and Lactation Database (LactMed®) [Internet]. Bethesda (MD): National Institute of Child Health and Human Development; 2006-.
CASRN: 1446321-46-5
Drug Levels and Effects
Summary of Use during Lactation
Voxelotor is an orally administered drug that binds to hemoglobin S, inhibiting polymerization. No information is available on the appearance of voxelotor in milk or on the safety of the drug in breastfed infants, but its low molecular weight of 337 Da indicates that it probably passes into milk. Because of the potential for serious adverse reactions in the infant, breastfeeding is currently not recommended during treatment and for at least 2 weeks after the last dose.
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
Relevant published information was not found as of the revision date.
Effects on Lactation and Breastmilk
Relevant published information was not found as of the revision date.
Substance Identification
Substance Name
Voxelotor
CAS Registry Number
1446321-46-5
Drug Class
Breast Feeding
Lactation
Hematologic Agents
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