including tuberculosis. serious, sometimes fatal infections, lymphoma and other cancers have happened. don't start xeljanz xr if you have an infection. tears in the stomach or intestines, low blood cell counts and higher liver tests and cholesterol levels have happened. your doctor should perform blood tests before you start and while taking xeljanz xr, and monitor certain liver tests. tell you doctor if you were in a region where fungal infections are common and if you have had tb, hepatitis b or c, or are prone to infections. needles. fine for some things. but for you, one pill a day may provide symptom relief. ask your doctor about xeljanz xr. an "unjection™". epa chief scott pruitt facing an unprecedented 15 separate investigations is accused of asking staffers to run personal errands.