Home Page | XELJANZ® (tofacitinib) | Safety Info How XELJANZ Works XELJANZ is a Janus kinase (JAK) inhibitor that helps regulate an overactive immune system It helps disrupt JAK pathways from inside the cells, which are believed to play a role in inflammation
Safety And Side Effects | XELJANZ® (tofacitinib) | Safety Info People with ulcerative colitis taking the higher dose of XELJANZ (10 mg twice daily) or XELJANZ XR (22 mg one time each day) have a higher risk of serious infections, shingles, or skin cancers
Sign Up For Support | XELJANZ® (tofacitinib) | Safety Info Whether you and your doctor are considering XELJANZ to treat your condition, or you’ve recently been prescribed XELJANZ, sign up below to receive information about XELJANZ, lifestyle tips, and tools for the different stages of your treatment journey