Before you start treatment, your doctor may perform tests to make sure you do not have an infection.
Follow all directions on your prescription label and read all medication guides or instruction sheets. Your doctor may occasionally change your dose. Use the medicine exactly as directed.
A safe dose of tofacitinib is not the same for all conditions. Avoid medication errors by using only the form and strength your doctor prescribes.
You may take Xeljanz XR with or without food.
Xeljanz XR doses are based on weight in children and teenagers. Your child's dose needs may change if the child gains or loses weight.
Swallow the extended-release tablet whole and do not crush, chew, or break it.
Measure liquid medicine carefully. Use the dosing syringe provided, or use a medicine dose-measuring device (not a kitchen spoon).
If you've ever had shingles (herpes zoster) or hepatitis B or C, using Xeljanz XR can cause these viruses to become active or get worse.
You will need frequent medical tests.
Store this medicine in the original container at room temperature, away from moisture, heat, and light. Throw away any unused liquid after 60 days.
Some tablets are made with a shell that is not absorbed or melted in the body. Part of this shell may appear in your stool. This is normal and will not make the medicine less effective.
 Detailed Xeljanz XR dosage information
What happens if I miss a dose?
Take the medicine as soon as you can, but skip the missed dose if it is almost time for your next dose. Do not take two doses at one time.
What happens if I overdose?
Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.
