We present here an 18-yr-old male who presented with intermittent fever of moderate grade and of 15 days duration, followed by maculopapular erythematous rashes over upper and lower extremities, face, and trunk developing over 10-12 days. He was suffering from recurrent seizures since last 3 months for which he was started on carbamazepine 200mg twice daily for the past 6 weeks. He was febrile on admission. Generalized lymphadenopathy with discreet, non-matted, firm and tender inguinal lymph nodes. Patch test with 1% and 5% solution of carbamazepine was strongly positive.