If you have diarrhea during menstruation, most of you can breastfeed. The most common cause of diarrhea is acute gastroenteritis, which is related to poor dietary habits, and if you eat a lot of greasy or unclean food during menstruation, it is easy to cause diarrhea. In addition, acute gastroenteritis can also cause diarrhea, but this condition has no effect on breastfeeding, and will not affect the quality of milk. For diarrhea during the month to eat a light diet, try to eat a little lighter, you can eat thin rice, soup, eat vegetables and so on. In addition, if the symptoms are particularly serious, you need to go to the hospital to determine the cause of the disease.