Due to its low blood concentration, its use is limited to mild and moderate infections caused by penicillin highly sensitive pathogens, such as tonsillitis caused by group A streptococcus, scarlet fever, erysipelas, streptococcus pneumoniae pneumonia, furuncle and carbuncle caused by penicillin-sensitive STaphylococcus aureus, and phenanthyngitis.This product can also be used to treat leptospirosis, regression fever and early syphilis.