The effect on the baby is different when you take different medicines during breastfeeding cold, such as Chinese cold medicine, the effect on the child is almost minimal. Breastfeeding mothers can also breastfeed their children normally during the period of taking medicine, such as Pu Di Lan anti-inflammatory oral liquid, Pan Lan Gen granules or Xiao Chai Hu granules, which are safe for children. There are some medications that are safe to use, such as penicillin and cephalosporin antibiotics, which also have little effect on the child. Although penicillin and cephalosporin antibiotics have a relatively small effect on children, they may cause allergies, and it is best not to take them at this time. In addition, sulfa drugs may cause damage to the liver and kidney function of the child, so it is best not to take such drugs during breastfeeding.