Repeated USMLE Questions Step 1- 167

A 24-year old woman is diagnosed with vaginal trichomoniasis. She is prescribed metronidazole. She is breastfeeding her 3 month old boy.

What is the appropriate advice for this patient concerning the use of metronidazole during breastfeeding?

A-Stop breast feeding and replace it with formula for 3 months

B-Stop metronidazole and choose another less effective drug as you weigh the benefits and the risks

C-Advise her to use the pump to collect her breast milk every 24 hours right before she takes daily metronidazole

D-Advise her to keep breastfeeding her child as there is no risk of the drug on breast feeding

E-Stop breast feeding indefinitely


The best advice for this patient is to use metronidazole once a day and collect breast milk by pump right before she takes metronidazole. All other choices are inappropriate for this patient.

The correct answer is C

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