Many patients are experiencing mild hypoglycemic reaction. In addition to dizziness, mild hypoglycemic reaction often patients show panic, sweating, and headache, hunger or irritability, general weakness, etc. This situation can be relieved by eating foods containing sugar. For example, you can drink half a glass of orange juice, you can eat a few slices of cookies or bread, apples or eat a few pieces of hard candy. If you have the condition, you can go to the nearby hospital or clinic to check the fingertip blood sugar immediately to clarify whether you are having a hypoglycemic reaction, because a severe hypoglycemic reaction is damaging to the brain, and even some patients may experience loss of consciousness and coma. When it comes to this situation, it is necessary to go to the hospital for emergency treatment and to push hypertonic sugar etc. For normal people, hypoglycemic reactions usually do not occur. To avoid hypoglycemic reaction, we should eat on time, live a regular life, avoid fasting exercise or drinking alcohol on an empty stomach, etc. For example, before doing strenuous exercise or drinking alcohol, you can eat complex carbohydrate food, such as cookies, bread, etc. to avoid hypoglycemic reaction.