Blisters generally refers to blisters, blisters on the legs are very itchy and painful to consider contact dermatitis, insect bite dermatitis, acute eczema, etc., need to be analyzed according to the symptoms of specific.
1. contact dermatitis: this is the skin in contact with some exogenous substances after the emergence of acute or chronic inflammation, lesions are generally confined to the parts of the contact, manifested as erythema, papules, papules, blisters or blisters in severe cases, can be accompanied by itching and pain.
2. Insect bite dermatitis: Insect bite dermatitis is an allergic reaction caused by insect bites and insect venomous sap stimulation, mainly pimples, papules, ecchymosis and small blisters, which can cause itching and pain.
3. Acute eczema: it occurs in exposed areas such as face, ears, hands, feet, forearms, calves, etc. and is often symmetrically distributed. Lesions polymorphic, often manifested as erythema on the basis of the needle tip to corn size papules, papules, serious cases can appear small blisters, often fused into a piece, the boundary is not clear, self-conscious itching is intense, if combined with the infection, can lead to pain.
Blisters on the legs are very itchy and painful may also have other reasons, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, give targeted treatment or standardized treatment.