Peritonsillar abscess, also known as quinsy, is a bacterial infection that causes pus to collect near the tonsils and the back of the throat. It usually starts with bacteria responsible for strep ...

This is called a peritonsillar abscess (PTA). In addition to causing severe tonsillitis symptoms, a peritonsillar abscess can: Swell and block your airway, making it difficult to breathe Spread ...