60 years old male Hx: 35 years hx of eczema

60 years old male
Hx: 35 years hx of eczema , was slight in past but now sudden aggravated last week .
P/C : itching , pain , skin peeling / oozing which leads to bleeding too
O/E : scaling , exfoliations , erosions , ruptured vesicles and blisters on both upper and lower limbs .
Face , chest and back are clear . They are only erythematous. No lesions.
Occupation : farmer
Smoker , No DM , no drug history
Diagnosis ??
D/Ds ??

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