Itchy legs are usually not a preexisting symptom of AIDS. Itchy legs may be caused by dermatitis, eczema, mosquito bites and other reasons. In the early stage of AIDS, there is generally no obvious specific clinical manifestations, some patients show fever, fatigue, sore throat and generalized discomfort (similar to the symptoms of respiratory infection), 20% to 25% of patients may have dermatitis, eczema and mosquito bites. Some patients have fever, malaise, sore throat and generalized discomfort (similar to symptoms of upper respiratory tract infection). 20% to 25% of patients may have skin rashes such as maculopapular rash, rose rash or urticaria, and a few may have swollen lymph nodes and neurological symptoms. If the rash is complicated by a lower extremity rash, manifestations such as itching of the lower legs may occur, but this manifestation is not specific. Itching of the lower extremities may also be due to dermatitis, eczema, mosquito bites, etc. These causes of itching are often accompanied by changes in skin properties, such as erythema, papules and other manifestations. If you have high-risk behaviors and are worried about HIV infection, it is recommended that you go to the hospital in time to complete the relevant examinations so as not to delay your condition.