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Update. I spent a vary disturbed night and the nerve or muscle in my right thigh kept twitching with each heart beat, and if I tried to move , a sharp pain would shoot down my leg. Climbing the stairs to bed is a mountainous effort, lifting myself one stair at a time, which took about five minutes to go up 13 stairs. I have to use two walking sticks to shuffle along. Sorry if I am boring you with my problem, but it helps take my mind off it. Thanks very much for your posts, as they help a lot.
Anneasquith: I assume I have Sciatica, and the GP hasn`t said otherwise.