<s>[INST] My son had a big boil on the chin. After it burst and fluid came out, over a period of time there is a small pit / dimple chin formed (a fine hole can be seen). Occassionally fluid from the same oozes out..esp after bath with hot water. What is the treatment for the same. We have done an x-ray of the chin and there is nothing found. Dr. has indicated sinus of the chin. can u help [/INST] Thank you for following up, I will advice local therapy, wash sinus with hydrogenium peroxide, around apply iodine and inside put antibiotic -1% chloramphenicol 2 times 5 days.In addition general antibiotic-amoksiclav or ofloxacin 5days in dosage according to age.Visilak 1 capsule 1 time for pofilaxis of disbacteriosis during antibiotic therapy 14 days.For increasing immunity zincovit 5ml 1 time 1 month and of cause give him natural antibiotics-garlic and onion every day. For increasing of phagocytosis add vitamin C 500 mg 1 time 10 days Recovery soonDr.Svetlana </s>