Impetigo bacterial skin infection is highly infectious illness. There are many over-the-counter treatments for this, but one must not apply them until prescribed by a medical practitioner. He is the best person who will suggest you the course, keeping in mind the extent to which impetigo has spread. Some people do try their hands on home treatments, but they are not very effective. Lastly, preventive measures are a must to keep yourself impetigo free especially for people like wrestlers, MMA & BJJ athletes who are into combat sports.
Reference: Impetigo Skin Infection: What All Athletes Need To Know