Key Clinical MessageOur case report demonstrates extremely uncommon data associated with MIS‐A, such as cholestatic jaundice, anemia, and quickly progressing pneumonia. IVIG and pulse steroid medications are the best treatments for improving clinical outcomes.AbstractWe report a case of multiple organ dysfunctions due to MIS‐A in an adult with a history of suspected COVID‐19. Our case demonstrates extremely uncommon data associated with MIS‐A, such as cholestatic jaundice, anemia, and quickly progressing pneumonia. IVIG and pulse steroid medications are the best treatments for improving clinical outcomes.