<prompt> Erythrasma is caused by:CornybacteriumStaphStreptococciViruses  <response>: Ans. a ComybacteriumRef. Harrison, Principle of Medicine, 18th918, 1181ERYTHRASMA It is caused by Cornybacterium minutissimum. It is a chronic superficial bacterial infection of skin involving the body folds and toe, webs, sometimes becoming generalized and characterized by presence of sharply demarcated, dry, brown slightly scaly and slowly spreading patches. It produces Coral-red color on woods lamp examination. 