Blisters on the skin may be caused by allergies, burns and infections, etc. The treatments are different, and need to be treated symptomatically after clarifying the cause of the disease, which can generally be improved by different medications. 1. Skin allergy blisters: first need to find the allergens and away from the allergens, appropriate to take some antihistamine drugs, such as loratadine. 2. Skin burns produce blisters: such as boiling water blisters, blisters produced by sun exposure blisters and other burns blisters, blisters can be extracted and disinfected, local cold compresses to deal with, keep the wound clean and dry. 3. Skin infections produce blisters: the skin is infected by viruses produce herpes, can eat to take antiviral drugs, such as acyclovir and so on. All of the above drugs need to be used under the guidance of a physician, skin blisters, need to go to a professional medical institution as soon as possible, to avoid blister rupture caused by infection.