Differential diagnosis of bullous pemphigoid

​Differential diagnosis of bullous pemphigoid are : 
-cicatricial pemphigoid 
-dermatitis herpetiformis 
-contact dermatitis 
-bullous impetigo 
-erythema multiforme 
-toxic epidermal necrolysis 
-drug eruption 
-pemphigus 
-paraneoplastic pemphigus 
-graft versus host disease
-herpes gestationis 
-Staphylococcal scalded skin syndrome 
-epidermolysis bullosa 
-pemphigus foliaceus 
-linear IgA dermatosis