<prompt> True of Rheumatic fever is:The characteristic pathological hallmark are Aschoff bodiesErythema marginatum is an itchy rash typically seen on the trunk of the patientSydenhams chorea appears early in the course of the acute fever episodesPrimary prophylaxis requires periodic use of penicillin  <response>: Erythema marginatum is non-itchy. Sydenhams chorea is a late manifestation of Rheumatic fever. Use of Penicillin to prevent recurrent sore throat by streptococcus is called Secondary prophylaxis. 