I was diagnosed with hashimoto's over 3 years ago and have had stable results for the last 2 years on 100mg thyroxine. However last week I was told my bloods showed all thyroid results way high and am severely hyper now. Finally saw nurse on Friday and reduced thyroxine to 50 daily. She wasn't concerned about my increasing frightening symptoms with heart palpatations, chest pain, jaw pain, excessive sweating , tremors and increased anxiety. That night I landed up in A&E as so ill with chest pains but also jaw and groin pain. After 6 hours in A&E still no results from cortisol or thyroid. I was feeling better but in a lot of pain - I have a number of other medical issues. Dr agreed for me to go home but any reoccurrence straight back to A&E and see gp on Monday. Any advice on what to ask for as hospital dr suspected Graves' disease .