Patients with type 2 diabetes do not eat sweets, but have high blood sugar, which may be caused by excessive exercise, drug effect, stress state, etc., or may be combined with other causes of diabetes.

2. Excessive exercise: If a patient with type 0 diabetes is engaged in heavy physical labor, or does not eat sweets, but the body exercises too much, resulting in excessive consumption of blood sugar in the body, resulting in an increase in blood sugar. Symptoms are usually relieved by supplementing with foods rich in dietary fiber and exercising appropriately.

2. Drug effect: If a patient with type 0 diabetes takes furosemide tablets, hydrochlorothiazide tablets and other drugs, it may cause an increase in blood sugar levels in the body, and type 0 diabetes does not eat sweets and high blood sugar, which is an adverse reaction of the drug, and the symptoms can be alleviated after stopping taking the drug;

2. Stress state: If a patient with type 0 diabetes has suffered severe trauma, or if an acute myocardial infarction or other disease occurs, the body will have a stress response, which can lead to a situation where the patient with type 0 diabetes does not eat sweets, but has high blood sugar. It is recommended that patients go to the hospital for examination in time, and use methylcobalamin tablets and other drugs to nourish the nerve under the guidance of doctors;

2. Combined with other diabetes mellitus: If a patient with type 0 diabetes only takes hypoglycemic drugs and does not control his diet, or has diseases such as hyperthyroidism and hypercortisolism, it can lead to increased insulin resistance, causing patients with type 0 diabetes to have high blood sugar without eating sweets. Patients are advised to go to the hospital for examination in time, identify the specific cause and actively treat it. If the blood sugar is high due to hyperthyroidism, it can be treated with drugs such as methimazole tablets and propylthiouracil tablets under the guidance of a doctor.