Acne Home > Benzamycin and Breastfeeding

It is unknown if Benzamycin (erythromycin/benzoyl peroxide) passes through human breast milk. Although one of the active ingredients in this drug is known to pass through breast milk, it is believed that only a small amount of the drug would be absorbed through the skin and passed to a breastfed infant. However, before using Benzamycin, breastfeeding women should still discuss potential risks with their doctor.

Is Benzamycin Safe to Use While Breastfeeding?

Benzamycin® (erythromycin/benzoyl peroxide) is a prescription skin medication approved to treat acne in people as young as 12 years old. At this time, it is unknown if Benzamycin passes through human breast milk. If you are breastfeeding a child, please talk with your healthcare provider before using this medication.

More Information on Breastfeeding and Benzamycin

No research has been done to determine if Benzamycin passes through breast milk. It is unknown whether benzoyl peroxide (one of the active ingredients in Benzamycin) passes through breast milk. Erythromycin (the other active ingredient) is known to pass through breast milk when it is taken by mouth. However, it is generally considered safe for use while breastfeeding, as it is a medicine that is approved for use in infants.
With normal use, only a small amount of Benzamycin is expected to be absorbed through the skin into the bloodstream. Therefore, very little of the medicine, if any, would likely be passed through breast milk, and the medication would not be likely to cause problems in a nursing infant. However, because it has not been adequately studied during breastfeeding, all potential problems with Benzamycin cannot yet be ruled out.
As a precaution, it is probably best to avoid applying Benzamycin to the breast or nipple area, which would directly expose a nursing infant to the medicine. Also, try to limit direct skin-to-skin contact with areas of the skin where Benzamycin has been applied.
Written by/reviewed by:
Last reviewed by: Kristi Monson, PharmD;
Last updated/reviewed:
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