Rectal foam or suppositories to treat ulcerative colitis (proctitis) or for Crohn's disease affecting the rectum. Steroids güç be classified based on their chemical composition.[52] One example of how MeSH performs this classification is available at the Wikipedia MeSH catalog. Examples of this classification include: To make sure this is https://www.metooo.es/u/672d070fda295e118f4fdc7f