Itchy skin with blisters

Skin shows erythema, small blisters, itching, mainly consider the following conditions: 1, papular urticaria occurs in the exposed parts, such as head, face, neck, limbs, to consider papular urticaria, the cause of occurrence may be related to insect bites. 2, eczema, can be in a local or systemic generalized erythema, papules, rash, itching. 3, contact dermatitis is generally in a local performance, there is a clear history of foreign body contact. 4. Chickenpox onset date several days, head, face, trunk, limbs gradually show more small blisters, slight itching, low fever, fatigue and other systemic symptoms before rash, to consider chickenpox. 5. Herpes simplex in the skin and mucosa junction shows erythema dense small blisters, accompanied by mild pain, can be considered herpes simplex virus infection.