About 50% of people with this condition first develop painful blisters and sores in the mouth, followed by skin blisters. Skin sores may come and go.
The skin sores may be described as:
- Peeling or easily detached
They may be located:
- In the mouth
- On the scalp, trunk, or other skin areas
Signs and tests
The skin separates easily when the surface of unaffected skin is rubbed sideways with a cotton swab or finger. This is called a positive