unfortunately you cannot be diagnosed blindly over the internet. you will need to see a medical provider so that you can have a thorough medical history and be completely examined.
what is this? . hoarse cough swelling/numb in both legs extreme pain in joints of left leg only (can't move leg in certain directions) pain moving to groin & buttock on left side; muscle spasms weakness & chills in neck arms and legs. sciatic nerve? infection? circulation problem? tumor? allergic reaction?