What are the early symptoms of diabetes? If you have one or two of the following symptoms, it is likely to be an early manifestation of diabetes, and you need to go to the hospital for a blood test as soon as possible. 1.People who are often tired, weak, weak and dizzy. 2, dry and itchy skin, no significant improvement with anti-itch medicine, especially women with vulvar itching by anti-inflammatory, antifungal treatment is ineffective. 3, skin prone to purulent cysts, carbuncles, boils, sores, etc. and not easily cured, as well as long-standing wound infections or surgical wounds that do not heal easily. 4.Patients with abnormal skin sensation, numbness and dullness of the extremities, ankle crawling sensation, abnormal socket sensation, burning pain, pins and needles pain, etc. 5.Recent rapid loss of vision or foggy feeling, cataract progressing rapidly. 6.Unexplained extremity ulceration and gangrene. 7.Persons with frequent hypoglycemic reactions such as panic, hand trembling, cold sweat or frequent fasting sensation.