Erythema multiforme ?
Correct Answer: HSV
Description: Ans. is 'c' i.e., HSV Idiopathic erythema multiforme is the most common cause of EM. o Herpes simplex is the most impoant infectious cause of EM. Causes of Erythema multiforme Idiopathic ---> Most common cause Viral --> HSV (most impoant) HBV, Mumps, Adenovirus o Bacteria -9 Streptococci, tuberculosis Fungal --> Coccidioidomycosis, Histoplasmosis. Drugs ----> Antibiotics (Sulphonamide), Phenytoin, NSAIDS. o Autoimmune disease --> SLE, thyroiditis, RA Others --> Sarcoidosis, Pregnancy, Malignancy
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