intraepidermal neutrophilic IgA dermatosis, and paraneoplastic pemphigus) vary in severity. Skin lesions caused by pemphigus can lead to fatal infections, so treatment is extremely important.

*Pemphigus vulgaris (PV - ICD-10 L10.0) is the most common form of the disorder and occurs when antibodies attack desmoglein 3. Sores often originate in the mouth, making eating difficult and uncomfortable.