Taking Sulfameth for a kidney infection/UTI. Hives, sweating/feverish, my entire left side of my neck and face hurts and I feel like I have an ear infection or something. The hives seem mostly on my left as well. I have had vivid dreams and nightmares all week that I am attributing to this as well. I am taking no other medication. This has happened to me before with Sulfa drugs.