Acute urticaria is not a precursor to AIDS. However, AIDS can occur in combination with acute urticaria. Urticaria, is a temporary increase in vascular permeability of the skin and mucous membranes and the occurrence of limited edema, will cause the skin, itching, the majority of patients can not find the exact cause, will not be infectious. AIDS is a sexually transmitted disease, mainly by the human immunodeficiency virus infection, to destroy the immune system as the main manifestation of the disease, mainly through sexual contact transmission via, blood transmission and mother-to-child transmission. Acute urticaria and AIDS are two different types of diseases, so acute urticaria is not a precursor to AIDS. However, AIDS can be combined with a variety of skin diseases, and acute urticaria can also occur in combination. If you have symptoms, you need to go to the hospital in time for examination and diagnosis so as not to delay your condition.