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By Wendy C. Brooks, DVM, DipABVP
Educational Director, VeterinaryPartner.com
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(for veterinary information only) Brand Name: Panacur Available in oral suspension and granules Background The care of animals has always included managing internal parasites. As technology has progressed, the new medications have become broader in the spectrum of parasites they can eradicate. Fenbendazole is a member of the benzimidazole group of anti-parasite medications, which makes it a relatively broad spectrum product. How this Medication is Used Fenbendazole (often abbreviated FBZ) is used in both large and small animals. In dogs, it is useful against roundworms, hookworms, and the more difficult to treat whipworms. It is effective against the Taenia species of tapeworm but not against the common tapeworm, Dipylidium caninum. It is also effective against Giardia (an intestinal protozoan that is contagious to both humans and pets) as well as several species of lungworm and even some flukes. Fenbendazole is rarely required for feline use but can certainly be used safely in cats. Fenbendazole is not approved by the FDA for use in cats, however. When a pet has chronic diarrhea and a cause cannot be found through testing, it is common to give fenbendazole for several days in a row as a general broad spectrum dewormer; the idea is that most parasites of significance will be removed by it even if they escaped detection in testing. Side Effects Some animals vomit or have nausea after deworming. Interactions with other Drugs There are no significant drug interactions in small animal use. Concerns and Cautions Fenbendazole is considered safe for use in pregnancy in all species. Treatment is necessary for 3 to 5 consecutive days for most parasites. Treatment may require a second course depending on which parasite is being treated. It is our policy not to give dosing information over the Internet.
Date Published: 12/14/2003 11:05:00 AM
Date Reviewed/Revised: 01/15/2008
  
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