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Floxuridine Side Effects

For the Consumer

Applies to floxuridine: injection powder for solution

In addition to its needed effects, some unwanted effects may be caused by floxuridine. In the event that any of these side effects do occur, they may require 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.

Major Side Effects

You should check with your doctor immediately if any of these side effects occur when taking floxuridine:

More common:
  • Diarrhea
  • sores in mouth and on lips
  • stomach pain or cramps
Less common:
  • Black, tarry stools
  • heartburn
  • nausea and vomiting
  • scaling or redness of hands or feet
  • swelling or soreness of the tongue
  • 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

Minor Side Effects

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

Less common or rare:
  • Loss of appetite
  • skin rash or itching

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.

Not all side effects for floxuridine may be reported. You should always consult a doctor or healthcare professional for medical advice. Side effects can be reported to the FDA here.

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.