WASHINGTON—The Food and Drug Administration ordered stronger warnings Thursday on four medications widely used to treat rheumatoid arthritis and other serious illnesses, saying they can raise the risk of possibly fatal fungal infections. The drugs -- Enbrel, Remicade, Humira and Cimzia -- work by suppressing the immune system to keep it from attacking the body. For patients with rheumatoid arthritis, the treatment provides relief from swollen and painful joints, but it's "a double-edged sword," said the FDA's Dr. Jeffrey Siegel. That's...
photo: WN/Patricia
