DDx of Subepidermal Vesicular Dermatitis
- Little
inflammation:
- Epidermolysis bullosa
- Porphyria
- Pseudoporphyria
- Bullous pemphigoid
(cell-poor type)
- Burns
- Toxic
epidermal necrolysis
- Bullae associated with
diabetes
- Blisters
overlying scars
- Bullous amyloidosis
- Bullous dermatosis
of hemodialysis
- Lymphocytic
inflammation:
- Erythema multiforme
- Fixed
drug eruption
- Lichen
planus pemphigoides
- Polymorphous
light eruption
- Bullous mycosis fungoides
- Bullous fungal infections
- Eosinophilic inflammation:
- Bullous pemphigoid
- Epidermolysis bullosa
acquisita
- Pemphigoid gestationis
- Arthropod
bites
- Drug
reactions
- Herpes
(pemphigoides) gestationis
- Neutrophilic inflammation:
- Dermatitis
herpetiformis
- Linear
IgA bullous dermatosis
- Cicatricial pemphigoid
and localized cicatricial pemphigoid
- Pustular vasculitis
- Bullous lupus erythematosus
- Sweet’s
syndrome
- Epidermolysis bullosa
acquisita
- Erysipelas
- Bullous urticaria
- Mast
cells:
- Miscellaneous:
- Drug
overdose-related bullae
- PUVA-induced
bullae
- Etretinate-induced bullae
References: