What Causes Severe Pain And Stiffness In The Arms And Legs?

Hello! I m experiencing painful aching arms & legs 24 hours a day since last month, unable to lie down on my sides as pain gets really painful, when I sit more than 5 mins my lowerbodyfrom waist down goes numb, and feels tingly, takes a while to get feeling back to my feet in order to walk, feeling very fatigued, just come back from a 14 day end cruise, spent a great deal of time sleeping. Daily headaches. Cannot walk for more than 5 mins when my lower back becomes painful and stiff. Have a very painful left hand down the thumb to wrist and up my arm, have mentioned this to gp being ignored, I had a heart attack in 2010, was thrombolised, given 2 stents, mention these symptoms when I attend annual cardio check ups. I m on monumil, statins, bisoporol, lansoprazole, aspirin, fluoxetine and take high strength fish oil caplet on daily basis. What could these symptoms be as its , taking over my life, within an hour of getting up at am having had 8 hours sleep, will fall asleep again, cannot put my hands in cold water as it will seine my hands into spasms, please advice.