Benign Chronic Pemphigus, also known as hailey-hailey disease, is related to pemphigoid and pemphigus. An important gene associated with Benign Chronic Pemphigus is ATP2C1 (ATPase Secretory Pathway Ca2+ Transporting 1), and among its related pathways/superpathways are Transport of inorganic cations/anions and amino acids/oligopeptides and Cardiac conduction. The drugs Acetylcholine and Cholinergic Agents have been mentioned in the context of this disorder. Affiliated tissues include skin and bone, and related phenotypes are hyperkeratosis and erythema