Tonsillopharyngitis (Tonsillitis; Pharyngitis) By Alan G Cheng, MD, Stanford University Reviewed / Revised Mar 2022 | Modified Sep 2022 View Patient Education Etiology Symptoms and Signs Diagnosis Treatment Key Points Topic Resources Anatomy of the Tonsils and... Acute Tonsillitis Tonsillopharyngitis is acute infection of the pharynx, palatine tonsils, or both.