If you have an autoimmune blistering disorder, blisters can cause long-term problems if they form in certain parts of the body or break open.
Blisters that pop open can cause infections.
After they heal, they can leave scars.
In the throat or lungs, they can make it hard to eat, swallow, or breathe.
In the mouth, they can cause gum disease and tooth loss.
In the eyes, they can affect sight.