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Fenbendazole
(Panacur)
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Fenbendazole (Panacur)
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.
Copyright 2007 - 2008 by the Veterinary Information
Network, Inc. All rights reserved.
This work was originally published by Veterinary Information Network,
Inc. (VIN)
and is republished with VIN's permission.
The above information is simply informational. It's intent is not
to replace the advice of a veterinarian nor to assist you in making a diagnosis
of your pet. Please consult with your own veterinarian for confirmation of
any diagnosis. Your pets life may depend on it.