Quinsy, also known as a peritonsillar abscess, is a complication of tonsillitis that is left untreated.
More information on Quinsy is available here.
Tonsillitis is inflammation of the tonsils.
More information on Tonsillitis is available here.
Important: If you have these symptoms, they may be unrelated to any of these conditions listed. If you are concerned about your symptoms then you should see a doctor.