It is an immune-based inflammatory reaction of skin and mucous membrane. Though the exact cause is unknown, some of the associated factors are genetic, stress, allergens or irritants. The symptoms include vesicles or blisters, whitish striae, itching
. The blisters burst and might turn scabby. Certain laboratory tests can be done to diagnose it like immunohistochemistry. There is no specific treatment. Mild cases go away on its own but the severe ones may need drug therapy like corticosteroids, retinoids, antihistamines, etc.