A low level of cortisol in the blood can be caused by: Problems that affect the adrenal glands directly, such as Addison's disease or a tuberculosis infection of the adrenal glands. Problems with the pituitary gland that affect the adrenal glands, such as cancer or a head injury.
Sometimes people with rheumatoid arthritis who are not also taking methotrexate get an injection every week. For those with Crohn's disease and ulcerative colitis, the usual initial dose of Humira is 160 mg on the first one or two days of treatment, followed two weeks later by 80 mg.Two weeks after that, you would probably start a maintenance dose of 40 mg every other week.umira is a type of medication called a tumor necrosis factor (TNF) blocker, or anti-TNF drug. TNF blockers help reduce inflammation and slow the progression of inflammatory conditions by targeting TNF, a substance produced by the immune system that causes inflammation in the body.
1 A study conducted by Decision Resources in April 2010, found that Humira overtook Enbrel as the most efficacious medication for the treatment of moderate to severe psoriasis.  Moderate to severe Crohn's disease - a chronic condition that causes inflammation of the digestive tract. Any part of the gut can be affected, from the mouth to the anus. In most cases the ileum (lower part of the small intestine) is affected.