Drinking lemonade in moderation generally has no side effects and harm, if you drink too much lemonade may appear diarrhea, abdominal pain and other uncomfortable symptoms, in addition, lemon allergy drink lemonade may appear itchy skin and other uncomfortable symptoms. Lemon water in moderation can provide the body with vitamin C and other nutrients, there are no side effects and harm, but can not drink too much, if you drink too much lemon water may appear diarrhea, abdominal pain, stomach pain and other gastrointestinal symptoms. In addition, if people who are allergic to lemon drink lemonade, it may lead to itchy skin, generalized red rash, shock and other allergic symptoms. Lemon water is very low in calories, every 100ml lemon water contains 0.06g fiber, 0.06g fat, 0.05g protein, 0.30g carbohydrates, etc., so you don’t have to worry about drinking too much lemon water will get fat. Lemon water has a high content of vitamin C, which can help the body to supplement vitamin C.