5-Fluorouracil (Cancer Cream)
DangerExtremely toxic. Severe GI signs, neurotoxicity, bone marrow suppression. Fatal from licking treated skin.
Quick Answer: Is 5-Fluorouracil (Cancer Cream) Toxic to Dogs or Cats?
Use this short answer first, then read symptoms and what to do next.
Is 5-Fluorouracil (Cancer Cream) toxic to dogs?
Yes. Treat 5-Fluorouracil (Cancer Cream) as an emergency risk for dogs. Call your veterinarian or a pet poison hotline right away after exposure.
Is 5-Fluorouracil (Cancer Cream) toxic to cats?
Yes. Treat 5-Fluorouracil (Cancer Cream) as an emergency risk for cats. Call your veterinarian or a pet poison hotline right away after exposure.
Symptoms to watch for
Vomiting, seizures, tremors, bone marrow suppression, death
What should I do now?
Emergency veterinary care immediately. Licking treated skin is dangerous.
Dogs
Emergency risk
Cats
Emergency risk
Risk level
Danger
Symptoms
Vomiting, seizures, tremors, bone marrow suppression, death
What to do now
Emergency veterinary care immediately. Licking treated skin is dangerous.
Explore Related Safety Hubs
Use these hub pages for broader dog, cat, cleaner, and emergency planning guidance.
Dog Toxicity Guide
Compare 5-Fluorouracil (Cancer Cream) with common dog food, plant, medication, and household toxicity risks.
Open hubCat poisoningCat Toxicity Guide
See cat-specific guidance for 5-Fluorouracil (Cancer Cream), plants, cleaners, foods, and medication risks.
Open hubEmergency planningVet Cost Hub
Plan for emergency exams, toxin ingestion care, hospitalization, and insurance decisions.
Open hubSymptoms to Watch For
Vomiting, seizures, tremors, bone marrow suppression, death
What to Do
Emergency veterinary care immediately. Licking treated skin is dangerous.
Plan ahead for emergency vet bills
Poisoning, broken bones, and emergency surgery can get expensive quickly. Compare costs and accident coverage before you need it.
Pet Poisoning Emergency Checklist
A one-page checklist for symptoms, product labels, emergency contacts, and what to bring to the clinic.
Clinical References
Quick Answers
Is 5-Fluorouracil (Cancer Cream) poisonous to dogs?
Is 5-Fluorouracil (Cancer Cream) toxic to cats?
What symptoms can 5-Fluorouracil (Cancer Cream) cause in pets?
What should I do if my pet ate 5-Fluorouracil (Cancer Cream)?
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