Tonsil stones are usually noticed as white spots in the back of the throat. Tonsil stones are also known as tonsoliths and are pieces of debris which accumulate in the crypts of the tonsils. Tonsil stones may cause throat irritation. Tonsil stones slowly increase in size over time and once large enough may be spit out or swallowed.

People often complain that tonsil stones have a foul smell. Because of this people may use a toothbrush or water pick to help remove tonsil stones. Tonsil stones are not related to cancer development and are not responsible for tonsillitis. Common treatments for tonsil stones include good oral hygiene, frequent mouthwashing, water pick usage, and when very bothersome, tonsillectomy.