There is no such thing as cola with mango causing stomach ache. Usually, stomach ache can be caused by poor diet, consuming too cold food, allergies, etc. 1. Dietary impurity: If the mango is not cleaned, or if the mango has been left for too long and is rotten or moldy, it will easily lead to stomach pain. 2. Eating too cold food: take out the cola or mango placed in the refrigerator and eat it directly, the gastrointestinal tract will be stimulated and the symptoms of stomachache will appear. 3. Allergy: Some people may have an allergic reaction to mango and experience stomach pain. In addition, it will be accompanied by numbness of the lips and mouth, skin rash, redness and swelling and other symptoms. Daily diet should pay attention to nutritional balance, do not overeat. For the occurrence of stomach pain after a period of time has not been relieved, it is recommended to consult a doctor in a timely manner, under the guidance of the doctor to carry out targeted treatment.