If a breastfeeding mom just has an upset stomach without any other obvious abnormalities, most of the cases may be related to the mom’s unclean diet or catching a cold, which usually has no effect on the baby. But mothers still need to do a good job of their own dietary adjustments, the diet needs to avoid spicy, cold food, try to eat more thin porridge hot noodles, easy to digest food, and mothers can take oral probiotics to help regulate the intestinal micro-ecology, alleviate the symptoms of the digestive tract, these probiotics do not have an impact on the baby breastfeeding, if necessary, may need to do routine blood, stool routine and other tests, according to the results of the judgment of whether or not the need to use which drugs. The doctor may need to do blood test, stool test and other tests if necessary. Usually, when you express to your doctor that you are breastfeeding, the doctor will take into account the effects of the medication on your baby when giving it to you, so he or she will also make sure that you continue to breastfeed your baby as usual while using the medication in a safe manner.