subject: Get Rid of Tonsil Stones? [print this page] Tonsil Swelling: When stored material hardens and a tonsil stone forms, inflammation from infection (if existing) and the stone itself could cause a tonsil to swell . Not dealt with, each of these symptoms will continue to become worse as time goes on. Soon, they will likely become more than an inconvenience in one way or another. It's at this time that the majority of us will go see a doctor about our condition.