hi my name is joyce i went to the doctors and they said i have got sciatica my right leg and foot went completely numb and cold and the colour was reddish blue i did had a fall down the stairs about a year and a half ago when i fallen down the stairs and black out for about a few minutes where everything was just black and i couldn t move and when they got me to the hospital they only looked at my wrist which was broken but they didn t look at the rest of my body which i did have a really bad fall i actually tumbled all the way down the stairs and blacked out and couldn t move for about half an hour to what it seems to me can you tell me what is wrong