Bullae commonly occur in the axillae, abdomen, inner thighs, flexural forearms, and lower legs
May be intensely pruritic
Start with urticarial lesions
Then tense blisters/bullae up to 10 cm
Nikolsky sign negative
Reported after UV/radiation therapy, drugs: furosemide, NSAIDs, captopril, antibiotics, vaccinations
Involves mucosa in 10-25%, may limit PO intake
Start with urticarial lesions
Then tense blisters/bullae up to 10 cm
Bullous pemphigoid
Febrile
Toxic epidermal necrolysis
Diffuse distribution
Pemphigus vulgaris
Varicella
Dermatitis herpetiformis
Smallpox