Watermelon with yogurt may cause diarrhea, but it varies from person to person.
Watermelon is a cold food, and if people with poor gastrointestinal function consume too much of it, they will have diarrhea. And yogurt is rich in lactose and milk protein, poor digestive function or lactose intolerant patients, due to the intestinal enzymes are not easy to fully absorb these nutrients, it will be over-fermented by the intestinal bacteria, producing chemicals, which stimulate gastrointestinal peristalsis.
And the protein in yogurt in the case of low pH, will produce deposits, causing indigestion, mixed eating diarrhea symptoms will be more serious, it is recommended that these two things to eat separately.
For people with good gastrointestinal function, also try not to watermelon, yogurt at the same time a lot of food. Watermelon has the effect of removing heat and fire, rich in vitamins. Yogurt contains more beneficial bacteria and protein, both are very good food, it is recommended to eat separately.