Dengue fever is an acute infectious disease caused by the dengue virus, which is mainly transmitted by mosquito bites. After being bitten by a mosq……

Tuberculosis skin test generally refers to PPD skin test. The results of the PPD skin test are usually judged within 48-72 hours, and if they excee……

Ultraviolet phototherapy is a common treatment for vitiligo that uses specific wavelengths of ultraviolet light to irradiate the skin to promote th……

Frequent mouth ulcers and more than 20 vesicles may be caused by physiological factors such as improper diet, or pathological factors such as recur……

vitiligoThe initial state generally refers to:vitiligoAt the beginning of the disease, white patches appear on the skin, usually without other unco……

People who have been infected with tuberculosis in the past may have a positive reaction when they have a PPD skin test. A strong positive is indic……

There are many causes of canker sores, and there is not only one condition of high work stress. If the patient has mouth ulcers, it may be due to i……

Tuberculosis skin test generally refers to PPD skin test. Blisters on the PPD skin test do not necessarily mean tuberculosis. First, it is the case……

After the tuberculosis skin test, it generally refers to the PPD skin test. Under normal circumstances, if there is local redness, swelling, bliste……

Symptoms of cholinergic urticaria include skin symptoms, respiratory symptoms, and digestive symptoms. It is recommended that patients go to the ho……