P.S. Tell him he gets you fired, you'll make him eat a hockey puck.
But ... since this inflammation might be a result of a flare-up, I wonder, whether your husband is under some stress at the moment? I have been reading that stress is often a factor to bring-on flare-ups of the disease and, in order to avoid flare-ups, special personal ways need to be found to find out ways of stress-avoidance as much as is possible and to try hard
It makes me wonder if maybe a smaller dose of steroids combined with an immunosuppressant might work for your husband. (Just thinking out loud, here.)
As well, with his shoulder still in the "light work" phase, he hasn't been able to do some of his regular activities.