###Human: What is the reason for swollen tonsil after tonsil stones removal? ###Assistant: Hello. Tonsil stone removal by self is often accompanied by tonsillitis or inflammation of tonsil. Swelling of the tonsils is occurring probably due to that. I suggest you gargle with lukewarm water with a pinch of salt twice daily. That will help you to reduce the swelling. If the swelling is not reduced even after 3 to 4 days, you can take antiinflammatory mouthwash containing Nimesulide. I suggest you refrain from removing stone by yourself. Because tonsillitis can be a very painful complication of that if you do not follow strict aseptic procedure.