#AskTheExpert hello sir good morning. my son hemanth had got a small pimple in his right leg back side 2 months back. and now(1week) it is continued with reddish with inside puss. it's very hard inside. now pus didn't come outside. and it s hard . last week we met Dr . he gave mefkind and antibiotic syrup. didnt comedown . so what do we need to do now. do we have to meet pediatric surgeon. pls let me know sir.