I've been hyperthyroid twice and been on tablets. Hospital wanted me to either have surgery to remove some of my thyroid, or have radioactive therapy to kill part of it off, but I refused, and fortunately the Consultant then agreed to monitor and keep reducing the dose over the course of about 18 months, until I was finally able to come off thyroid medication altogether. There's a possibility I could become hyperthyroid again, but I may not, nobody knows. Family history of underactive thyroid, so was very surprised to be overactive.