A reaction to an insect bite or sting or a spider
An infection from mites that burrow in the skin (scabies). Tiny
itchy blisters occur most often in a thin line.
In rare cases, a
disease that causes your body to attack your own skin (autoimmune disease),
such as pemphigus or dermatitis herpetiformis.
Itching can often be treated at home. Treatment for itchy blisters
focuses on taking steps to decrease itching and to identify and treat the cause
of the itching. It is important not to scratch the rash to prevent infection