There is no direct relationship between sunburnt back and diarrhea. There are physiological causes of diarrhea such as diet and pathological causes such as intestinal dysfunction and intestinal diseases.
1. Physiological reasons: diarrhea may be related to diet, such as often eat barbecue seafood and other indigestible food, or often drink beer, eat ice cream and so on, may appear diarrhea.
2. Pathological causes: diarrhea may be related to intestinal diseases, such as intestinal dysfunction, acute and chronic enteritis, intestinal polyps, intestinal tumors and other intestinal diseases, intestinal function more or less different degrees of damage, thus causing diarrhea.
There may be other reasons for diarrhea, please go to the hospital in time, complete the relevant examination to clarify the cause of the disease, under the guidance of the doctor to treat or deal with.