Hello and Welcome to ‘Ask A Doctor’ service. I have reviewed your query and here is my advice. I think, there is sciatic nerve compression while driving. You will get instant relief after you change your position. So, if you are a driver then try to understand your problems and change your position accordingly. Because if you keep on driving without relief then it might cause nerve damage and lot other problems. So, kindly take more breaks while driving and don t put pressure on one area only. Even if you have bad posture while sitting, just correction of it can solve all your problems. Hope I have answered your query. Let me know if I can assist you further. Regards, Dr. Archana