Coke with milk in small amounts is usually not diarrhea, drinking more may cause diarrhea.
Coke is a common carbonated beverage, moderate consumption is generally harmless to the body. Milk is also a more common drink on the market, containing a variety of nutrients, young children, teenagers, middle-aged people, the elderly are suitable for drinking, Coke with milk a small amount of drink generally will not have diarrhea.
As the carbonic acid in cola can be combined with calcium in milk to form indigestible calcium carbonate, a small amount of intake will not affect the function of the digestive tract, but if you drink more cola with milk, it will be a greater burden on the digestive tract, which may cause indigestion, diarrhea and other consequences of the human body’s digestive health is not conducive to the general recommendation of mixing milk and cola to drink.
If the symptoms worsen, you should seek medical treatment.