See surgeon. The area needs to be evaluated cleaned or even derided to remove revitalized tissue and then packed and monitored for progress. Culture and appropriate antibiotics amy be necessary.
Infected wound. Are you sure about a wound 'infection'? You should not attempt to make this decision yourself. Bacteria are all over the body and are certainly in your wound but there is a difference between colonized and infected. In fact, the presence of bacterial colonization may be favorable according to the research. Have this examined by a wound clinician to help decide if this requires an antibiotic soon.