Early warning signs of diabetes: Increased earwax and excessive sweating require blood sugar testing.

Pay attention to earwax: Observations have shown that diabetic patients have more ceruminous and sebaceous gland secretion in their ears, resulting in more earwax, and this amount is directly proportional to the severity of diabetes. Further research has revealed that the earwax of diabetic patients contains more glucose, while normal individuals have little or no glucose. Therefore, anyone experiencing itchy ears and an abnormal increase in earwax should consider the possibility of diabetes and promptly consult a doctor for further examination, early diagnosis, and treatment.

Be wary of excessive sweating: Diabetes is now one of the three major diseases threatening human health worldwide, known as the "sweet killer." Increased appetite, increased thirst, increased urination, and weight loss are its typical characteristics. However, there are exceptions; some people have no obvious symptoms, leading some to be unaware that they have diabetes. Although diabetes is incurable, most cases and complications are preventable. Therefore, early detection is crucial for diabetic patients without typical symptoms to reduce harm and effectively prevent complications.

Common and important complications of diabetes in clinical practice include: Diabetic nephropathy; Diabetic peripheral vascular disease; Diabetic retinopathy; Ketoacidosis and hyperosmolar nonketotic coma, with extremely high mortality rates; Infections; Gastrointestinal diseases; Skin lesions, including painless skin ulcers; Neuropathies, with peripheral neuropathy being the most common, manifesting as numbness, burning, coldness, or tingling in the extremities. Autonomic neuropathy is also relatively common, presenting as abnormal sweating, which can be anhidrosis, hypohidrosis, or hyperhidrosis; excessive sweating is common due to autonomic dysfunction, sympathetic nerve excitation, and increased sweat gland secretion. Increased glucose metabolism rate is also one of the causes of excessive sweating.

Therefore, when encountering cases of unclear diagnosis and excessive sweating, it is essential to check urine glucose, blood glucose, and related parameters to strive for early detection of diabetes.