When inflammation threatens to damage critical body organs, steroids can save organs and, in many instances, lives. For example, they may help prevent the progression of kidney inflammation, which can lead to kidney failure in people who have lupus or vasculitis. For these people, steroid therapy may eliminate the need for kidney dialysis or transplant.
Low doses of steroids may provide significant relief from pain and stiffness for people with conditions including rheumatoid arthritis. Temporary use of higher doses of steroids may help a person recover from a severe flare-up of arthritis.