Hello, As it is third-degree burn means a deep burn, so it may take weeks to heal. Continue antibiotics as prescribed. Keep it clean. Apply Neosporin H powder locally. Do proper dressing on a daily basis. Take proper diet. You can take tablet chymoral forte for better healing. If any discharge from wound and not healing, start IV antibiotics after consultation and send pus culture report. I will suggest you review here with detailed history or consult with the surgeon. Hope I have answered your query. Let me know if I can assist you further. Regards, Dr. Shyam B. Kale