I ve been dealing with this rash that i get all over my body at different times. I ve gone to alot of drs n allergies Testing reveal nothing. Before Thanksgiving a dr have me xanax n it seemed to work for about a week but I m back with rash n this time i noticed my right forearm was so swollen that it seemed like it was going to rupture then it started hurting. Took anti inflammatory pills m it kinda went down but now my left foot to n calf are swollen. The right is swollen but not as the left one.