Diagnostic challenges of old diseases in the COVID-19 era: a report of two cases of carbamazepine-induced DRESS syndrome.

Introduction: A new MIS-C that develops after the acute stage of COVID-19 infection has recently been reported worldwide. Drug reaction with eosinophilia and systemic symptoms syndrome is a rare but potentially severe adverse drug-induced reaction most commonly associated with anticonvulsants. Due to variability in clinical presentation involving cutaneous and multiorgan systems, broad differential diagnosis, and lack of definitive diagnostic tests, diagnosis may be delayed.