A 28-year-old patient has multiple grouped papulovesicular lesions on both elbows, knees buttocks and upper back associated with severe itching. The most likely diagnosis is –
Look for itching → Severe itching
Papulovesicular lesion
On extensors (knees, elbows), scapular region (upper back), buttock.
Age → 28 years
Pemphigus vulgaris
Bullous pemphigoid
Dermatitis herpetiformis
Herpes Zoster