abatacept vs tofacitinib
Side-by-side comparison of abatacept and tofacitinib Data from FDA drug databases (Orange Book, NDC Directory, recalls, shortages) covering 20,000+ approved drugs, plus CMS pricing; see our methodology.
Orencia
Xeljanz
Orencia is a medicine that helps to reduce inflammation. It is used to treat rheumatoid arthritis, juvenile idiopathic arthritis, and psoriatic arthritis.
Xeljanz is a medicine that reduces inflammation in your body. It is used to treat conditions like arthritis and ulcerative colitis.
Orencia treats rheumatoid arthritis in adults. It also treats polyarticular juvenile idiopathic arthritis in patients 2 years and older. Orencia can also treat active psoriatic arthritis in patients 2 years and older. Finally, it can prevent acute graft versus host disease after a stem cell transplant.
Xeljanz treats rheumatoid arthritis, psoriatic arthritis, ankylosing spondylitis and ulcerative colitis in adults. It is also used to treat psoriatic arthritis and juvenile idiopathic arthritis in children 2 years and older. It is for people who have not responded well to TNF blockers. Do not use Xeljanz with other strong immunosuppressants.
Orencia works by blocking the activity of certain immune cells called T cells. These T cells can cause inflammation and damage to your joints and other tissues. By blocking T cell activity, Orencia can help reduce inflammation and relieve your symptoms.
Xeljanz is a JAK inhibitor. It works by blocking certain enzymes in your body. These enzymes cause inflammation, so blocking them helps to reduce swelling and pain.
- • Headache
- • Upper respiratory tract infection (like a cold)
- • Runny nose
- • Nausea
- • Upper respiratory tract infection (like a cold)
- • Runny nose
- • Diarrhea
- • Headache
- • Increased cholesterol levels
- The medicine is not working 38,612
- Rheumatoid arthritis 23,596
- Pain 21,295
- Joint pain 20,151
- Swollen joint 19,709
- The medicine is not working 43,542
- Pain 25,737
- Joint pain 19,670
- Condition got worse 19,467
- Rheumatoid arthritis 18,797
Using Orencia with a TNF antagonist or other biologic medicines can raise your risk of serious infections. Tell your doctor if you have any signs of infection, such as fever, cough, or sore throat. Orencia can also cause allergic reactions, including anaphylaxis. Get medical help right away if you have trouble breathing, swelling, or hives.
Xeljanz can increase your risk of serious infections, which could lead to hospitalization or death. It may also increase your risk of blood clots, cancer, and heart problems. Talk to your doctor about these risks before taking Xeljanz.
There is not enough information about Orencia use in pregnant women to know if it is safe. Talk to your doctor if you are pregnant, plan to become pregnant, or are breastfeeding.
It is not known if Xeljanz will harm your unborn baby. Talk to your doctor if you are pregnant or plan to become pregnant. You should not breastfeed while taking Xeljanz.
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How to Read This abatacept vs tofacitinib Comparison
abatacept is classified in the T-Cell Co-Stimulation Modulator drug class, while tofacitinib sits within the JAK Inhibitor class. Drugs from different classes work through distinct mechanisms, so a head-to-head comparison illustrates trade-offs rather than equivalence. Both drugs are prescription-only, so a licensed provider must authorize use.
Adverse event totals above are pulled from the FDA's Adverse Event Reporting System (FAERS). For these top-ranked reactions alone, abatacept has 123,363 submissions while tofacitinib has 127,213. Those figures reflect cumulative reporting volume — not per-patient risk — so older, widely dispensed drugs typically look worse on count alone. No direct interaction between these two drugs is listed in our FDA-derived dataset, though co-prescription still warrants pharmacist review. Serious warnings, pregnancy guidance, and contraindications can differ even when indications overlap.
A table cannot substitute for clinical judgment. Effectiveness, tolerability, drug-drug interactions with your other medications, kidney and liver function, pregnancy status, insurance formulary, and price all feed into a decision that only a licensed prescriber can make responsibly. Data here is sourced from FDA Structured Product Labels (SPL) and FAERS, both of which update as manufacturers and clinicians submit new information. This page is for educational purposes only, is not medical advice, and should not be used to self-switch between abatacept and tofacitinib — always consult your physician or pharmacist first.
Important: This comparison is for informational purposes only. Drug effects vary between individuals. Always consult your doctor or pharmacist for personalized medical advice.