A female who underwent laproscopic appendicectomy for acute appendicitis, on post op. day 2 bumped her nose on to a table.She developed difficulty in breathing and examination showed a swelling in the anterior part of the nasal septum.Next line of management is -

• A. Observation
• B. IV antibiotics
• C. Incision and drainage
• D. Oral antibiotics for 7-10 days