Benign Familial Pemphigus, also known as Hailey-Hailey Disease, is a rare genetic skin disorder characterized by painful blisters and erosions in specific areas of the body. Although the term "Benign Familial Pemphigus" is commonly used to describe the condition, it is important to note that it has several synonyms. These include Hailey-Hailey Syndrome, Familial Benign Pemphigus, and Chronic Benign Pemphigus. These synonyms reflect the same disorder but highlight different aspects of the condition. Understanding these synonyms can aid in improved communication among healthcare professionals and provide patients with a clearer understanding of their diagnosis and treatment options.