L12: Pemphigoid

L12.8: Other pemphigoid

Your immune system is attacking certain parts of your skin. As a result, your skin has become inflamed and damaged.

The skin is then usually red, and broken in some places. Typically, blisters also form on the skin. When the skin damage heals, crusts often form in those places.

The skin may have been damaged for a long time before blisters form.