Right armpit skin affected during<unk>  flare HHD is characterized by outbreaks of rashes and blisters on the skin. Affected areas of skin undergo repeated blistering and inflammation, and may be painful to the touch. Areas where the skin folds, as well as the armpits, groin, neck, buttocks and under the breasts are most commonly affected. In addition to blistering, other symptoms which accompany HHD include acantholysis, erythema and hyperkeratosis.
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