Cortisone is a steroid that belongs to the corticosteroid class of drugs. It is used in treating a number of conditions associated with inflammation, including asthma, arthritis, allergies, and muscle sclerosis. Cortisone helps prevent the release of the substances which cause inflammation in body. Cortisone is used in treating other conditions like ulcerative colitis and lupus. Corticosteroids like cortisone influence the way different systems in the body function, such as the immune, nervous, heart, muscle, endocrine, and bone system.