Fluorouracil

Fluorouracil

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Questions & Answers

Side Effects & Adverse Reactions

The potential for a delayed hypersensitivity reaction to fluorouracil exists. Patch testing to prove hypersensitivity may be inconclusive.

Patients should discontinue therapy with Fluorouracil Cream USP, 0.5% (Microsphere) if symptoms of DPD enzyme deficiency develop.

Rarely, unexpected, systemic toxicity (e.g. stomatitis, diarrhea, neutropenia, and neurotoxicity) associated with parental administration of fluorouracil has been attributed to deficiency of dihydropyrimidine dehydrogenase “DPD” activity. One case of life threatening systemic toxicity has been reported with the topical use of 5% fluorouracil in a patient with a complete absence of DPD enzyme activity. Symptoms included severe abdominal pain, bloody diarrhea, vomiting, fever, and chills. Physical examination revealed stomatitis, erythematous skin rash, neutropenia, thrombocytopenia, inflammation of the esophagus, stomach, and small bowel. Although this case was observed with 5% fluorouracil cream, it is unknown whether patients with profound DPD enzyme deficiency would develop systemic toxicity with lower concentrations of topically applied fluorouracil.

Applications to mucous membranes should be avoided due to the possibility of local inflammation and ulceration.

Legal Issues

There is currently no legal information available for this drug.

FDA Safety Alerts

There are currently no FDA safety alerts available for this drug.

Manufacturer Warnings

There is currently no manufacturer warning information available for this drug.

FDA Labeling Changes

There are currently no FDA labeling changes available for this drug.

Uses

Fluorouracil Cream USP, 0.5% (Microsphere) is indicated for the topical treatment of multiple actinic or solar keratoses of the face and anterior scalp.

History

There is currently no drug history available for this drug.

Other Information

Fluorouracil Cream USP, 0.5% (Microsphere), contains fluorouracil for topical dermatologic use. Chemically, fluorouracil is 5-fluoro-2,4(1H, 3H)-pyrimidinedione. The molecular formula is C4H3FN2O2. Fluorouracil has a molecular weight of 130.08.

Structure

*Fluorouracil Cream USP, 0.5% (Microsphere) contains 0.5% fluorouracil, with 0.425% being incorporated into a porous microsphere composed of methyl methacrylate/glycol dimethacrylate crosspolymer and dimethicone. The cream formulation contains the following other inactive ingredients: carbomer 980, dimethicone, glycerin, methyl gluceth-20, methyl methacrylate/glycol dimethacrylate crosspolymer, methylparaben, octyl hydroxy stearate, polyethylene glycol 400, polysorbate 80, propylene glycol, propylparaben, purified water, sorbitan monooleate, stearic acid, and trolamine.

Fluorouracil Manufacturers


  • Spear Dermatology Products
    Fluorouracil Cream [Spear Dermatology Products]
  • Bluepoint Laboratories
    Fluorouracil Injection, Solution [Bluepoint Laboratories]
  • Bluepoint Laboratories
    Fluorouracil Injection, Solution [Bluepoint Laboratories]
  • Oceanside Pharmaceuticals
    Fluorouracil Cream [Oceanside Pharmaceuticals]
  • Spear Dermatology Products
    Fluorouracil Cream [Spear Dermatology Products]
  • Sandoz Inc
    Fluorouracil Injection, Solution [Sandoz Inc]
  • Taro Pharmaceutical Industries Ltd.
    Fluorouracil Cream [Taro Pharmaceutical Industries Ltd.]
  • Sandoz Inc
    Fluorouracil Injection, Solution [Sandoz Inc]
  • Physicians Total Care, Inc.
    Fluorouracil (Fluorouracil) Cream [Physicians Total Care, Inc.]
  • Rebel Distributors Corp
    Fluorouracil Cream [Rebel Distributors Corp]
  • Pfizer Laboratories Div Pfizer Inc.
    Fluorouracil Injection, Solution [Pfizer Laboratories Div Pfizer Inc.]
  • Pfizer Laboratories Div Pfizer Inc.
    Fluorouracil Injection, Solution [Pfizer Laboratories Div Pfizer Inc.]
  • Generamedix
    Fluorouracil Injection, Solution [Generamedix]
  • Mylan Pharmaceuticals Inc.
    Fluorouracil Cream [Mylan Pharmaceuticals Inc.]
  • Accord Healthcare, Inc.
    Fluorouracil Injection, Solution [Accord Healthcare, Inc.]
  • Accord Healthcare, Inc.
    Fluorouracil Injection, Solution [Accord Healthcare, Inc.]
  • Fresenius Kabi Usa, Llc
    Fluorouracil Injection, Solution [Fresenius Kabi Usa, Llc]
  • Fresenius Kabi Usa, Llc
    Fluorouracil Injection, Solution [Fresenius Kabi Usa, Llc]
  • Fresenius Kabi Usa, Llc
    Fluorouracil Injection, Solution [Fresenius Kabi Usa, Llc]
  • Fresenius Kabi Usa, Llc
    Fluorouracil Injection, Solution [Fresenius Kabi Usa, Llc]
  • Fresenius Kabi Usa, Llc
    Fluorouracil Injection, Solution [Fresenius Kabi Usa, Llc]
  • Fresenius Kabi Usa, Llc
    Fluorouracil Injection, Solution [Fresenius Kabi Usa, Llc]
  • Taro Pharmaceuticals U.s.a., Inc.
    Fluorouracil Cream [Taro Pharmaceuticals U.s.a., Inc.]

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