4 doctors weighed in:
What are Nexium (esomeprazole) effects on a breastfeeding infant?
4 doctors weighed in

3 doctors agree
In brief: See below
There are no data on the excretion of Nexium into human milk.
There is a potential for tumorigenicity with "omeprazole" -prilosec-administration has been seen in rat carcinogenicity studies. Because esomeprazole is the s-isomer of Omeprazole which is excreted into human milk, & because of the potential for serious adverse reactions in nursing infants, a decision should be made to discontinue.

In brief: See below
There are no data on the excretion of Nexium into human milk.
There is a potential for tumorigenicity with "omeprazole" -prilosec-administration has been seen in rat carcinogenicity studies. Because esomeprazole is the s-isomer of Omeprazole which is excreted into human milk, & because of the potential for serious adverse reactions in nursing infants, a decision should be made to discontinue.
Dr. Michael H. T. Sia
Dr. Michael H. T. Sia
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