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5-Fluorouracil cream (Efudex)
dog severe
Go to the vet immediately — don't wait for symptoms.
- Name
- 5-Fluorouracil cream (Efudex)
- Severity
- often_lethal
- Signs
- rapid-onset seizures, bloody vomiting/diarrhea, bone marrow suppression
- Dose_concern
- Chewing a tube is frequently fatal — one of the most dangerous household medications for dogs
- Class
- topical chemotherapy
- Raw Severity
- often_lethal
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Source: Compiled from standard veterinary toxicology references (ASPCA APCC, Pet Poison Helpline, Merck Veterinary Manual)