Case presentation: A 40-year-old male was admitted with a chronic peritoneal dialysis (PD) catheter exit-site and tunnel infection. PD was initiated due to IgA nephropathy 8 months before admission. He did not have any comorbidities and was not taking any corticosteroids. Medical history: He visited the OPD due to pain at the PD catheter exit site 1 month before admission.

Oral levofloxacin (250 mg once every other day) was given to him for 7 days, followed by oral cefpodoxime proxetil (100 mg once every other day) and oral minocycline (100 mg twice daily) for 8 days in combination with topical nadifloxacin for one month. However, his symptoms worsened. Vitals on admission: Blood pressure: 130/90 mmHg Pulse rate: 79 beats/min Temperature: 36.6ยฐC Physical examination Redness, swelling, and pain at the PD catheter exit-site, and subcutaneous cuff. Purulent discharge from the exit-site,โ€ฆ