When diarrhea occurs during the menstrual period, the treatment needs to be chosen according to the severity of the diarrhea. Because it is during the month, the maternal body is relatively weak, the gastrointestinal tract is also relatively poor, still breastfeeding, during the month diarrhea symptoms are not particularly serious maternal, you can temporarily do not need any medication, try to eat a light diet, eat less high-protein, high-fat food, eat more vegetables, so that the intestinal tract function to return to normal, and then begin to eat high-protein food. If the maternal diarrhea symptoms are particularly obvious, appearing watery changes or egg-shaped pieces, considering viral or bacterial infections, it is best to go to the hospital to check the stool routine, according to the results of the judgment of the use of medication, for example, found that there are bacteria, you need to take oral cephalosporin antibiotics as well as montelukast for treatment.