...block a specific source... ...of inflammation that contributes to ra symptoms. it's proven to help relieve pain and... ...stop further joint damage in many adults. humira can lower your ability to fight infections, including tuberculosis. serious, sometimes fatal infections and cancers, including lymphoma, have happened, as have blood, liver, and nervous system problems, serious allergic reactions, and new or worsening heart failure. before treatment, get tested for tb. tell your doctor if you've been to areas... ...where certain fungal infections are common and if you've had tb, hepatitis b, are prone to infections, or have flulike symptoms or sores. don't start humira if you have an infection. talk to your doctor and visit humira.com this is humira at work.