Rituxan vs. CellCept

Are Rituxan and CellCept the Same Thing?

Rituxan (rituximab) and CellCept (mycophenolate mofetil) are used to treat arthritis.

Rituxan is also used in combination with other cancer medicines to treat non-Hodgkin's lymphoma.

CellCept is also used to prevent your body from rejecting a kidney, liver, or heart transplant. CellCept is usually given with cyclosporine (Sandimmune, Neoral) and a steroid medication.

Rituxan and CellCept belong to different drug classes. CellCept is an immunosuppressive agent and Rituxan is a cancer medication.

What Are Possible Side Effects of Rituxan?

Common side effects of Rituxan include:

Tell your doctor if you experience serious side effects of Rituxan including:

  • increased thirst or urination,
  • swelling of the hands or feet, or
  • tingling of the hands or feet.

What Are Possible Side Effects of CellCept?

Common side effects of CellCept include:

  • constipation,
  • nausea,
  • headache,
  • diarrhea,
  • vomiting,
  • stomach pain or upset,
  • loss of appetite,
  • gas,
  • tremor,
  • trouble sleeping (insomnia),
  • weakness,
  • swelling in your hands or feet,
  • numbness or tingly feeling, or
  • anxiety.

Tell your doctor if you experience unlikely but serious side effects of CellCept including:

  • unusual tiredness,
  • fast or irregular heartbeat,
  • muscle weakness,
  • easy bleeding or bruising,
  • swelling of the feet or ankles,
  • mental/mood changes,
  • weakness on one side of the body, or
  • unusual change in the amount of urine.

What Is Rituxan?

Rituxan (rituximab) is a cancer medication used in combination with other cancer medicines to treat non-Hodgkin's lymphoma. Rituxan is also used in combination with another drug called methotrexate to treat symptoms of adult rheumatoid arthritis.

What Is CellCept?

CellCept (mycophenolate mofetil) is an immunosuppressive agent used to prevent your body from rejecting a kidney, liver, or heart transplant. CellCept is usually given with cyclosporine (Sandimmune, Neoral) and a steroid medication.


What Is Rheumatoid Arthritis (RA)? Symptoms, Treatment, Diagnosis See Slideshow

What Drugs Interact With Rituxan?

Rituxan may interact with cisplatin, adalimumab, auranofin, azathioprine, cyclosporine, etanercept, infliximab, leflunomide, minocycline, sulfasalazine, blood pressure medications, or medication to treat malaria.

What Drugs Interact With CellCept?

CellCept may interact with cholestyramine, antibiotics, acyclovir, ganciclovir, valacyclovir, or other medicines that weaken the immune system. Tell your doctor all medications you use.

How Should Rituxan Be Taken?

Rituxan is administered under a physician's supervision. The dose of Rituxan varies depending on the disorder being treated and the number of infusions (doses) needed.

How Should CellCept Be Taken?

The dose of CellCept depends on the type of transplant performed.


The term arthritis refers to stiffness in the joints. See Answer

All drug information provided on RxList.com is sourced directly from drug monographs published by the U.S. Food and Drug Administration (FDA).

Any drug information published on RxList.com regarding general drug information, drug side effects, drug usage, dosage, and more are sourced from the original drug documentation found in its FDA drug monograph.

Drug information found in the drug comparisons published on RxList.com is primarily sourced from the FDA drug information. The drug comparison information found in this article does not contain any data from clinical trials with human participants or animals performed by any of the drug manufacturers comparing the drugs.

The drug comparisons information provided does not cover every potential use, warning, drug interaction, side effect, or adverse or allergic reaction. RxList.com assumes no responsibility for any healthcare administered to a person based on the information found on this site.

As drug information can and will change at any time, RxList.com makes every effort to update its drug information. Due to the time-sensitive nature of drug information, RxList.com makes no guarantees that the information provided is the most current.

Any missing drug warnings or information does not in any way guarantee the safety, effectiveness, or the lack of adverse effects of any drug. The drug information provided is intended for reference only and should not be used as a substitute for medical advice.

If you have specific questions regarding a drug’s safety, side effects, usage, warnings, etc., you should contact your doctor or pharmacist, or refer to the individual drug monograph details found on the FDA.gov or RxList.com websites for more information.

You may also report negative side effects of prescription drugs to the FDA by visiting the FDA MedWatch website or calling 1-800-FDA-1088.


Genentech. Rituxan Product Information.
Genentech. CellCept Product Information.

Health Solutions From Our Sponsors