It is best not to take metronidazole during breastfeeding, metronidazole is mainly used for the treatment of anaerobic infections, breastfeeding immediately after taking the drug, the drug will be digested and absorbed by the baby through the breast milk when it works. The development of the digestive system of infants and young children is not yet perfect, the drug will cause great stimulation of the baby’s stomach and intestines, resulting in abdominal pain, diarrhea, systemic allergies, the liver function of infants and young children is not yet perfect, metabolism is poor, the drug is discharged at a slow rate, the harm to the baby’s body is very great. If the mother needs to take metronidazole, occasional use can be breastfeeding before taking the drug, can also be taken after an interval of more than 1.5 hours before breastfeeding, if you need to take long-term, must listen to the doctor’s advice to suspend breastfeeding, should pay attention to dietary hygiene, appropriate physical exercise .