legs, ankles and face are swollen. my legs from my knee down are so swollen they are tight, cant move my toes or ankles, my face is swollen to the point my eyes can barely open. also have a severe migraine. emergency room doctor told me 2 days ago that I had co2 poisoning, gave me oxygen for 2 hours and said swelling will be gone in a day. my legs ankles and face are more swollen than they were 2 days ago and ive gained 10 pounds in 4 days. the selling stared 2 weeks ago