How To Drain a Peritonsillar Abscess By Vikas Mehta, MD, MPH, Montefiore Medical Center Reviewed / Revised Mar 2023 View Patient Education Indications Contraindications Complications Equipment Additional Considerations Relevant Anatomy Positioning Step-by-Step Description of Procedure Aftercare Warnings and Common Errors Tips and Tricks Peritonsillar abscess requires incision and drainage or needle aspiration.