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FUDR Side Effects

Generic Name: floxuridine

Note: This document contains side effect information about floxuridine. Some of the dosage forms listed on this page may not apply to the brand name FUDR.

For the Consumer

Applies to floxuridine: injection powder for solution

Along with its needed effects, floxuridine (the active ingredient contained in FUDR) may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Also, because of the way these medicines act on the body, there is a chance that they might cause other unwanted effects that may not occur until months or years after the medicine is used. These delayed effects may include certain types of cancer, such as leukemia. Discuss these possible effects with your doctor.

Check with your doctor immediately if any of the following side effects occur while taking floxuridine:

More common
  • Diarrhea
  • sores in mouth and on lips
  • stomach pain or cramps
Less common Rare
  • Blood in urine or stools
  • cough or hoarseness
  • fever or chills
  • lower back or side pain
  • painful or difficult urination
  • pinpoint red spots on skin
  • trouble in walking
  • unusual bleeding or bruising
  • yellow eyes or skin

Some side effects of floxuridine may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

Less common or rare

This medicine sometimes causes temporary thinning of hair. After treatment with floxuridine has ended, normal hair growth should return.

For Healthcare Professionals

Applies to floxuridine: injectable powder for injection


Frequency not reported: Fever, lethargy, malaise, weakness

-Adverse reactions to the arterial infusion of this drug are generally related to the procedural complications of regional arterial infusion. The complications include arterial aneurysm, arterial ischemia, arterial thrombosis, embolism, fibromyositis, thrombophlebitis, hepatic necrosis, abscesses, infection at the catheter site, bleeding at the catheter site and/or a blocked, leaking, or displaced catheter.

-Laboratory abnormalities include BSP, prothrombin, total proteins, sedimentation rate and thrombocytopenia.[Ref]


Frequency not reported: Stomatitis, esophagopharyngitis (at the first visible sign), nausea, vomiting, diarrhea, enteritis, stomatitis, duodenal ulcer, duodenitis, gastritis, bleeding, gastroenteritis, glossitis, pharyngitis, anorexia, cramps, abdominal pain, possible intra- and extrahepatic biliary sclerosis, acalculous cholecystitis[Ref]


Frequency not reported: Leukopenia (WBC under 3500) or a rapidly falling white blood count, anemia, leukopenia, thrombocytopenia, hemorrhage (from any site)[Ref]


Frequency not reported: Elevations of alkaline phosphatase, serum transaminase, serum bilirubin, and lactic dehydrogenase[Ref]


Frequency not reported: Alopecia, dermatitis, nonspecific skin toxicity, rash[Ref]


Frequency not reported: Myocardial ischemia[Ref]

Nervous system

Frequency not reported: Neurotoxicity


1. "Product Information. FUDR Sterile (floxuridine)." Roche Laboratories, Nutley, NJ.

Some side effects of FUDR may not be reported. Always consult your doctor or healthcare specialist for medical advice. You may also report side effects to the FDA.

Disclaimer: Every effort has been made to ensure that the information provided is accurate, up-to-date and complete, but no guarantee is made to that effect. In addition, the drug information contained herein may be time sensitive and should not be utilized as a reference resource beyond the date hereof. This material does not endorse drugs, diagnose patients, or recommend therapy. This information is a reference resource designed as supplement to, and not a substitute for, the expertise, skill , knowledge, and judgement of healthcare practitioners in patient care. The absence of a warning for a given drug or combination thereof in no way should be construed to indicate safety, effectiveness, or appropriateness for any given patient. does not assume any responsibility for any aspect of healthcare administered with the aid of materials provided. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the substances you are taking, check with your doctor, nurse, or pharmacist.