I have severe pain in right calf, somewhat like an agonising toothache in the leg. It ceases on resting, is not a blood clot as had scan. I have suffered sciatica pains in hip and use nicotine replacement losenges since giving up smoking and take thyroxine, ramapril, asprin, bisoproiol, atorvastin and fluoxetine, ... what do u think could be the cause