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Drugs and Lactation Database (LactMed®) [Internet]. Bethesda (MD): National Institute of Child Health and Human Development; 2006-.

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Drugs and Lactation Database (LactMed®) [Internet].

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Sodium Phenylbutyrate

Last Revision: March 15, 2023.

Estimated reading time: 1 minute

CASRN: 1716-12-7

image 403521149 in the ncbi pubchem database

Drug Levels and Effects

Summary of Use during Lactation

No information is available on the clinical use of sodium phenylbutyrate or the combination of sodium phenylbutyrate and taurursodiol during breastfeeding. Both sodium phenylbutyrate and taurursodiol are highly protein bound and therefore unlikely to enter milk in clinically important amounts. If sodium phenylbutyrate with or without taurursodiol is required by the mother, it is not a reason to discontinue breastfeeding. Until more data become available, these products should be used with caution during breastfeeding, especially while nursing a newborn or preterm infant. Monitoring the breastfed infant for neurotoxicity (excessive sedation, vomiting) during maternal therapy may be advisable.

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

Sodium Phenylbutyrate

CAS Registry Number

1716-12-7

Drug Class

Breast Feeding

Lactation

Milk, Human

Urea Cycle Disorders

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.

Copyright Notice

Attribution Statement: LactMed is a registered trademark of the U.S. Department of Health and Human Services.

Bookshelf ID: NBK588738PMID: 36701505

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