Does applying a topical patch during breastfeeding cause milk to decrease?

Patient's question:

Hello doctor, my wife twisted her foot while breastfeeding. Can she use a topical ointment? Will it cause milk to stop? Also, can she use Yunnan Baiyao spray? Will it cause milk to stop?

Doctor's answer:

Hello, regarding your situation, as a breastfeeding mother who has twisted an ankle, it is possible to treat it with a topical ointment. Since topical medications during breastfeeding are generally not absorbed into breast milk, they do not affect breastfeeding. Rest well, maintain adequate sleep, and avoid excessive movement in the near future to prevent re-injury. Maintain a balanced diet with a mix of meat and vegetables. I suggest you don’t worry too much, as most topical medications are generally safe to use. Just be sure to take any medication under the guidance of a doctor. Therefore, there’s no need to be overly anxious—it won’t affect your wife’s breastfeeding. Wishing you a speedy recovery.

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