Rectal foam or suppositories to treat ulcerative colitis (proctitis) or for Crohn's disease affecting the rectum. An acute exacerbation is more commonly known birli a 'flare-up'. An acute exacerbation of chronic obstructive pulmonary disease (COPD) is a sudden worsening of COPD symptoms compared with the usual severity of symptoms. Steroid http://www.stes.tyc.edu.tw/xoops/modules/profile/userinfo.php?uid=2413040