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Vesiculobullous diseases (Pemphigus vulgaris (More fatal (Easily rupture…
Vesiculobullous diseases
Pemphigus vulgaris
autoimmune
Type II hypersensitivity
Chronic - years
Bullous eruptions
More fatal
Easily rupture and gets infected
Intra-epithelial (desmosomes)
desquamative gingivitis
Nikolsky's sign
Erythema multiforme
Hypersensitivity type III
Skin and mucous membranes
Reccurent ulceration
Steven-Johnsons
acute, oral/genital
Ocular involvement - visual impairment
lasts 10-14 days
Target lesions
Headache, malaise, nausea
Mucous membrane pemphigoid
Sub epithelial blistering
type II hypersensitivity
Cheonic
Mucosa (not skin)
Intact bulla
Desquamative gingivitis
Bullous pemphigoid
Skin affected
Similar to mucous membrane