What is bullous pemphigoid and what is the treatment? is this life threatening?

Autoimmune disorde: BP is likely an autoimmune disorder and can be dangerous depending on the type you have. You need to seek attention from a rheumatologist and appropriate surgeon if diagnosis hasn't been made for biopsy. Many people need to take medications for this

Skin disease: autoimmune that causes large fluid filled blisters over the body. treatment usually involves suppressing the immune system with steroids. Some medications may trigger the reaction.