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Pet Medication 101: Fenbendazole

fenbendazole dewormer

It’s important to understand a medication’s uses and side effects before giving it to your pet. This medication info sheet is meant to give you a good understanding of what fenbendazole (Panacur) is used for, how it works, and potential side effects in cats and dogs. Always consult a veterinarian before giving your pet any medication.

1. Drug Name:


2. Brand Names:

Panacur, Safe Guard

3. How Dispensed:

Over the counter and prescription

4. Forms:

Granules, suspension, paste, pellets, premix

5. Drug Type/Class:

Anthelmintic (dewormer)

6. Uses in Dogs and Cats:

Broad-spectrum dewormer used against roundworms, hookworms, whipworms, and tapeworms

7. How it Works:

Disrupts the parasite’s metabolism which eliminates its energy stores and its ability to produce protection from within its cells.

8. Side Effects and/or Signs of Overdose:

Vomiting can occur, hypersalivation, diarrhea, lethargy, loss of appetite

9. Drug Interactions:

Praziquantel (another dewormer)


10. Cautionary Statements:

  • Do not give to sick dogs or puppies
  • Do not give to pregnant or lactating pets
  • Use only in pets over 6 weeks of age

Read more:

Hookworms in Dog and Cats

Roundworms in Dogs and Cats

Tapeworms in Dogs and Cats

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