hi ive been told by gp there was no trace of thyroxin in my blood tests,i have been given tablets to solve this,i still feel like i have no energy,i ache alot and basically have no get up and go,i have been working but most morning struggle to het myself out of bed then when i arrive home as soon as i sit down im fast asleep,i have 3 small children and im steuggling to work and b a dad to my kids,i just wanted to ask if i was entitled to any benifit if i gave up work