PlainMeds provides educational information only. This is not medical advice. Always consult your doctor or pharmacist.

tofacitinib vs upadacitinib

Side-by-side comparison of tofacitinib and upadacitinib Data from FDA drug databases (Orange Book, NDC Directory, recalls, shortages) covering 20,000+ approved drugs, plus CMS pricing; see our methodology.

Drug Class
tofacitinib JAK Inhibitor
upadacitinib JAK Inhibitor
Type
tofacitinib Prescription
upadacitinib Prescription
Summary
tofacitinib

Xeljanz is a medicine that reduces inflammation in your body. It is used to treat conditions like arthritis and ulcerative colitis.

upadacitinib

Rinvoq contains upadacitinib and it is a medicine that reduces inflammation in your body. It is used to treat several conditions, including arthritis and Crohn's disease.

What It Treats
tofacitinib

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.

upadacitinib

Rinvoq can treat rheumatoid arthritis, psoriatic arthritis, atopic dermatitis (eczema), ulcerative colitis, Crohn’s disease, ankylosing spondylitis, non-radiographic axial spondyloarthritis, polyarticular juvenile idiopathic arthritis, and giant cell arteritis. It is used when other medicines, like TNF blockers, have not worked well enough. For ulcerative colitis and Crohn's disease, you should have tried at least one other approved medicine before using Rinvoq if TNF blockers are not suitable for you.

How It Works
tofacitinib

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.

upadacitinib

Rinvoq is a JAK inhibitor. It works by blocking certain enzymes in your body called Janus kinases (JAKs). By blocking these enzymes, Rinvoq helps to reduce inflammation and relieve symptoms of the conditions it treats.

Common Side Effects
tofacitinib
  • Upper respiratory tract infection (like a cold)
  • Runny nose
  • Diarrhea
  • Headache
  • Increased cholesterol levels
upadacitinib
  • Upper respiratory tract infections (like a cold)
  • Acne
  • Herpes simplex (cold sores)
  • Headache
  • Increased blood creatine phosphokinase
FAERS Reports
tofacitinib
  • The medicine is not working 43,542
  • Pain 25,737
  • Joint pain 19,670
  • Condition got worse 19,467
  • Rheumatoid arthritis 18,797
upadacitinib
  • Pain 4,942
  • Joint pain 4,342
  • Medicine not working 4,175
  • COVID-19 3,131
  • Rheumatoid arthritis 3,037
Serious Warnings
tofacitinib

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.

upadacitinib

Rinvoq can cause serious side effects, including serious infections, cancer, blood clots, major heart problems, and death. Your doctor will check you for tuberculosis before you start Rinvoq. Tell your doctor if you have any symptoms of infection, such as fever, cough, or fatigue. If you have a heart attack or stroke, stop taking Rinvoq.

Pregnancy
tofacitinib

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.

upadacitinib

Rinvoq may harm your unborn baby. You should use effective birth control while taking Rinvoq and for some time after your last dose. Talk to your doctor if you are pregnant or plan to become pregnant. Do not breastfeed while taking Rinvoq.

Also Compare — Nearby Drugs

Compare tofacitinib with

Compare upadacitinib with

How to Read This tofacitinib vs upadacitinib Comparison

tofacitinib is classified in the JAK Inhibitor drug class, while upadacitinib sits within the JAK Inhibitor class. Because both drugs share the same classification, they are often considered interchangeable in theory — but clinical outcomes rarely track that cleanly. 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, tofacitinib has 127,213 submissions while upadacitinib has 19,627. 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 tofacitinib and upadacitinib — 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.