Nikolsky's sign is positive in following conditions except:
Pemphigus vulgaris
Toxic epidermal necrolysis
Epidermolysis bullosa
Pemphigoid
Nikolsky's Sign is seen in: Pemphigus (vulgaris and foliaceous). Porphyria Sjogren's syndrome SSSS TEN (Lyell's disease) Epidermolysis bullosa congenita It occurs due to separation of epidermis from underlying dermis due to intraepidermal cleaving
Blistering disorders