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What is XELJANZ/​XELJANZ XR?

XELJANZ/​XELJANZ XR (tofacitinib) is a prescription medicine called a Janus kinase (JAK) inhibitor used to treat:

  • Adults with moderately to severely active ulcerative colitis when medicines called tumor necrosis factor (TNF) blockers did not work well or cannot be tolerated

It is not known if XELJANZ/​XELJANZ XR is safe and effective in children or in people with Hepatitis B or C.

XELJANZ/​XELJANZ XR is not recommended for people with severe liver problems.