This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Dental
A patient is presenting with Non pruritic, Painless erythema surrounded by vesicles with erythematous halo on face & hand. There is history of drug intake for fever 2 weeks back. The patient is suffering from – 
Select and explain. 
A. Bullous pemphigoid, B. Erythema multiforme, C. Herpes zoster, D. Dermatitis herpatiformis
B: Erythema multiforme
Answer: B: Erythema multiforme 
Explanation: None