 [ Symptoms ] my 2 12 yr old grandson continues to get impetigo time and time again is the recurrence normal with this infection [ Disease ] impetigo is caused by skin staph or strep since a 2 5 year old tends to have poor hygiene practices like picking at sore areas with dirty fingers a secondary infection is quite possible over and over again as soon as his mother sees those early signs of impetigo she should immediately start applying the antibiotic ointment prescription mupiricin is the best and trim and clean his fingernails