Great posts folks and a special thanks to pmrider. For those unfamiliar with some of the medical terminology, TNF: tumor necrosis factor…is a chemical produced by the immune system that causes inflammation and therefore, pain.  Normally this TNF in the blood is blocked but in susceptible individuals such as those with RA, rhumatoid arthritis, the levels of TNF are higher and cause more inflammation, joint destruction and persistent symptoms.

Anti TNF drugs are used to treat such inflammatory conditions such as RA and other arthritis and other conditions…by targeting TNF and controlling inflammation in the joints, GI tract, and skin. These medications are injected subcutaneously or intravenously.