Hi. I have been diagnosed with having an over active thyriod for a few months. I had bloods ran over having several lots of food poisoning. They picked up on ab-normal levels. I am on 20mg carbinazole. in the last 3 weeks I have started the lose weight, all patience with anyone, the ability to remember things and if I could sleep 24 hours a day I would still be tired. Other then the typical weight lost has anyone else had this? Is it my thyroid? Or my Graves' disease? Or the carbinazole? Or all of the above? It is starting to get me down.