Step 1 → Musculoskeletal, Skin, and Connective Tissue Blistering Skin ConditionsPreview this topic sectionPreview the conditions. Plans unlock the full Step 1 details when you need them. Free Biochemistry Free Microbiology Plans Blistering Skin Conditions conditions Bullous pemphigoid Dermatitis herpetiformis Inherited Epidermolysis Bullosa Pemphigus vulgaris