Classification While the term pemphigus typically refers to "a rare group of blistering autoimmune diseases" affecting "the skin and mucous membranes",<unk>  is not an autoimmune disorder and there are no autoantibodies. According to Pemphigus Pemphigoid Foundation (IPPF), "familial benign chronic pemphigus, or<unk> , is a different condition from Pemphigus". Differential diagnosis The differential diagnosis includes intertrigo, candidiasis, frictional or contact dermatitis, and inverse psoriasis. A biopsy and/or family history can confirm. The lack of oral lesions and intercellular antibodies distinguishes familial benign pemphigus from other forms of pemphigus.
Hailey–Hailey disease
Reis–Bucklers corneal dystrophy
Blount's disease
Fleck corneal dystrophy
Peyronie's disease
Darier's disease
Minor's disease
Chandler's disease