Which of the following is false about erythema marginatum?: (A) Lesions are serpiginous, (B) Evanescent rash, (C) Rash improves on application of cold pack, (D) Itchy rash
Answer is D. Erythema marginatum Rash of acute rheumatic fever has a distinctive pattern of enlarging and shifting transient annular lesions. Erythema marginatum is one of the major criteria for diagnosis of rheumatic fever. - It is an evanescent macular rash that has following characteristic - Begins as pink macules that clear centrally, leaving serpeginous spreading edge Occurs usually on trunk, sometimes on limbs, never on face Non itchy rash