Blisters appeared in the chest and back
According to the clinical lesions of blisters, itching, rash and itching in local skin tissue, it is a symptom of allergy or eczema dermatitis. It is best to go to the hospital for examination and diagnosis, and then treat it by anti-allergy, anti-infection, anti-inflammation and detoxification skin tissue disinfection.
These blisters on the chest and back may be caused by herpes zoster, which is a common infectious skin disease and related to viral infection. They can be treated with antiviral drugs, such as acyclovir ointment, do not eat spicy food and avoid drinking alcohol.