Oxacillin does pass through breast milk. However, because the amount passed through breast milk is thought to be low, it is generally considered safe to breastfeed during oxacillin treatment. Women who do nurse while receiving this antibiotic should be watchful for possible side effects in their child, such as nausea, diarrhea, or thrush.
Can Breastfeeding Women Use Oxacillin?
Oxacillin passes through breast milk in humans. However, as a penicillin antibiotic, it is probably safe for use while breastfeeding, although there are some precautions to consider. Therefore, if you are breastfeeding or plan to start, talk with your healthcare provider before receiving oxacillin.
More Information on Oxacillin and Breastfeeding
Research has shown that penicillins in general pass through breast milk in low amounts. Even so, they appear to be safe for use while breastfeeding.
Nonetheless, it is possible that an infant who is exposed to oxacillin through breast milk might be at risk for thrush or digestive upset, such as nausea or diarrhea. Mothers who receive oxacillin while breastfeeding should be watchful for these potential problems.
In many situations, the potential risks are so small that it is not worth the hassle or the risk of potentially compromising the mother's breast milk supply to temporarily stop breastfeeding while using oxacillin.
Talking With Your Healthcare Provider
You should discuss oxacillin and breastfeeding with your healthcare provider. Each woman's situation is different, and you and your healthcare provider understand your situation best. After considering what you want and expect, as well as your current health situation, the two of you can make a shared decision that is right for you.
Written by/reviewed by: Kristi Monson, PharmD;Arthur Schoenstadt, MD
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