Leflunomide Levels and Effects while Breastfeeding
Summary of Use during Lactation
No information is available on the use of leflunomide during breastfeeding, so an alternate drug is preferred, especially while nursing a newborn or preterm infant[1-3]
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.
Flint J, Panchal S, Hurrell A, et al. BSR and BHPR guideline on prescribing drugs in pregnancy and breastfeeding-Part I: Standard and biologic disease modifying anti-rheumatic drugs and corticosteroids. Rheumatology (Oxford). 2016;55:1693–7. [PubMed: 26750124]
2.
Sammaritano LR, Bermas BL, Chakravarty EE, et al. 2020 American College of Rheumatology Guideline for the Management of Reproductive Health in Rheumatic and Musculoskeletal Diseases. Arthritis Rheumatol. 2020;72:529–56. [PubMed: 32090480]
3.
Russell MD, Dey M, Flint J, et al. British Society for Rheumatology guideline on prescribing drugs in pregnancy and breastfeeding: Immunomodulatory anti-rheumatic drugs and corticosteroids. Rheumatology (Oxford). 2023;62:e48–e88. [PMC free article: PMC10070073] [PubMed: 36318966]
Substance Identification
Substance Name
Leflunomide
CAS Registry Number
75706-12-6
Drug Class
Breast Feeding
Lactation
Milk, Human
Antirheumatic Agents
Immunosuppressive Agents
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.
