Treating moderate to severe rheumatoid arthritis in patients who did not respond to methotrexate. It may also be used for other conditions as determined by your doctor. Xeljanz is a kinase inhibitor. It works by blocking certain substances in the body that contribute to inflammation.
Xeljanz is a first-class drug used to treat rheumatoid arthritis.This drug can be taken alone or in combination with other drugs like methotrexate and other arthritis medication. Before Xeljanz is taken, tests must be performed to ensure that the patient does not have any infections, tuberculosis or a severe liver disease.