Is Letrozole Safe in Breastfeeding
Question
I am a breastfeeding mother and i want to know if it is safe to use Letrozole? Is Letrozole safe for nursing mother and child? Does Letrozole extracts into breast milk? Does Letrozole has any long term or short term side effects on infants? Can Letrozole influence milk supply or can Letrozole decrease milk supply in lactating mothers?
Letrozole lactation summary
- DrLact safety Score for Letrozole is 7 out of 8 which is considered Dangerous as per our analyses.
- A safety Score of 7 indicates that usage of Letrozole may cause toxic or severe side effects in breastfed baby.
- Our study of different scientific research indicates that Letrozole may cause moderate to high side effects or may affect milk supply in lactating mother.
- Our suggestion is to use safer alternate options rather than using Letrozole .
- Usage of Letrozole is in contradiction to breastfeeding hence if it is must to use Letrozole and there is no better alternative available then breastfeeding shall be stopped permanently or temporarily.
- Score calculated using the DrLact safety Version 1.2 model, this score ranges from 0 to 8 and measures overall safety of drug in lactation. Scores are primarily calculated using publicly available case studies, research papers, other scientific journals and publically available data.
Answer by Dr. Ru: About Letrozole usage in lactation
Drug is cleared from the body in 5 elimination half-lives. Resuming breastfeeding is likely safe after 10 days of pumping-and-dumping.
Answer by DrLact: About Letrozole usage in lactation
No information is available on the use of letrozole during breastfeeding. The manufacturer recommends that breastfeeding be discontinued during letrozole therapy and for 3 weeks after the last dose.
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