Anybody had a reaction to Humira after taking it for at least a year? I injected yesterday and have a single hive that covers my entire thigh. I also had a few smaller hives at the site that I injected over two weeks ago! Can I become allergic after all this time? I was surprised that a reaction even happened because I just finished up a dose pack of steroids. Anyone else have this happen? P.S. I do have a call into my doctor!!