- Xeljanz® can weaken your immune system and its ability to fight infections, tell your doctor right away if you have symptoms of an infection
- Serious infections (caused by bacteria, fungi, or viruses) have developed in some people taking Xeljanz leading to hospitalization and even death
- You should be tested for Tuberculosis before and during Xeljanz treatment

Please refer to the manufacturer’s website to learn all the information needed to use this medicine safely and effectively
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