I am now suffering with very bad pain in my hands and feet, my hands feel like they are on fire all the time?

Hi, my name is (…), and I am 30 years Old now about 3years ago I got very sick, I was so tired all the time and also started to put on some weight to, then I also starter to notes that I could not no longer hear very well any more, it got to a stage that I had no choice but to go and have a hearing test done and that’s when I find out that I am 100% deaf in my right ear now and have to were one hearing aid to help me hear in my right ear ,I am also partly deaf in my lift ear to about 50%, I also had blood test done and they come back and said I have severe inactive thyroid – hypothyroidism to which I am taking medication for now. but When I had tuned 25 years old I also started suffering from severe and very bad headache – they were like seizure headaches this was before I went to see the Dr, it got so bad that I no option but to go and see a specialist dr – neurologist to see why this was happening to me, they did test but all came back find but, was still having them – seizure headaches so they put me on epilim to stop them which has stop them but still to this day do not know what course them to happen. I am now suffering with very bad pain in my hands and feet, my hands feel like they are on fire all time and numbness or tingling all time and my feet and ankles are sore and swollen to I have been going to the government hospital as cant afforded private one as I am on a Disability grant, to see specialist Dr’s eg, neurologist and genetics dr to but they can’t find anything wrong with my hands and feet , I have been for tests, eg, blood test and eeg, ct brain scan and Nerve tests where they pick you with pin to but all came back find , but I still have the pain, the Dr’s cant find anything please can you help me?