XELJANZ Oral Pill By PFIZER INC

See also Warning section. Headache or diarrhea may occur. If either of these effects persists or worsens, tell your doctor or pharmacist promptly. People using this medication may have serious side effects. However, your doctor has prescribed this drug because he or she has judged that the benefit to you is greater than the risk of side effects. Careful monitoring by your doctor may decrease your risk. Tell your doctor right away if you have any serious side effects, including: unusual tiredness, fast heartbeat, shortness of breath, severe stomach/abdominal pain, signs of liver disease (such as dark urine, yellowing eyes/skin, persistent nausea/vomiting). Tell your doctor right away if you have any signs of infection, including: fever, chills, persistent sore throat, persistent cough, night sweats, trouble breathing, painful/frequent urination, warm/red/painful skin. A very serious allergic reaction to this drug is rare. However, get medical help right away if you notice any symptoms of a serious allergic reaction, including: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing. This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist. In the US - Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088 or at www.fda.gov/medwatch.