Rectal foam or suppositories to treat ulcerative colitis (proctitis) or for Crohn's disease affecting the rectum. Oral steroids are used to treat a large number of conditions, usually by reducing inflammation or the effect of the immune system. Some examples include: Topical steroids are used for various skin conditions. The https://bbs.pku.edu.cn/v2/jump-to.php?url=https://tr.wikipedia.org/wiki/Vitamin