I have a terrible jumping in my lower back and stomach and going down my leg. Last night it started and has just let up a little during the daytime but has come back tonight. I have hsd a little jumping in the past but last night and today has been terribke. Im a little scared akthoughthere really isnt any pain but this terrible muscle jerking nerve feeling. Im getting a little worried and scared to go to the dr. S this dangerous or just annoying?????