can u help me?

i am goin for a blood test tomoz at me doctors as i have been feelin unwell,i have spokern to a friend about it she thinks i might have diabetes.just before christmas i started to feel unwell.it became alot worst over the pass tow months.my eye sight has became worst,i was told by the doctor to go to opticians.everythink was fine wiv my eyes.my feet are always swallon, am i feel really drained after doin simple things like mopin the floor.it became so bad tht i fainted at home.thts y they have sent for me to have blods done.can anyone help me.i will be greatful.liz x

thank you,an i keep u updated.thanks again

i feel really silly,for askin these question,but i was sick from worryin.just wanted advice from people who might help me.thank u.