- Family history of others w/similar symptoms
- Sometimes triggered by heat, friction, sun, trauma
- Blisters and erosions that occur in axilla, inguinal creases, neck and skin folds
- Come and go spontaneously, without scarring
- Sometimes itch or burn
- Can become super-infected
- Waxing and wanting blisters and erosions
- Affect axilla, groin, neck, skin folds
- As evolve, can lead cracked skin