What are the most common symptoms of pemphigus?

Pemphigus. Severe autoimmune disease where your antibodies attack the dermis and epidermis cells (aka skin). You need to see a dermatologist about this asap. Risks include infection, dehydration, and ultimately death if not treated appropriately.
Blisters and ulcers. Pemphigus cause blisters/ bullae in the skin that rupture leaving behind ulcers.