<prompt> False statement about impetigoMostly caused by staphylococcus or streptococcus or bothIt predisposes to glomerulonephritisProduces scar on healingErythromycin is drug of choice  <response>: Impetigo is a highly contagious infectious Gram-positive bacterial infection of the superficial layer of the epidermis. It occurs in two forms :-Impetigo contagiosa Non-bullous Caused by both staph aureus streptococcus group A Bullous impetigo Caused by Staph.aureus.Lesions of Impetigo contagiosa heal without scarring.For treatment of Impetigo contagiosa, Systemic Erythromycin is given to cover and Staphylococcus Streptococcus. Glomerulonephritis may occur after streptococcal skin e.g. impetigo, ecthyma or throat infection, whereas rheumatic fever can develop only after throat infection not skin infection. Therefore, Impetigo can cause glomerulonephritis but not rheumatic fever. 