Active Ingredients in Wormers

When selecting the appropriate dewormer for your pet, consider the safety and effectiveness of the product’s active ingredient:

Pyrantel Pamoate: A very safe and effective ingredient to treat roundworms, hookworms and pinworms in dogs. Need to dose a second or even third time, 2-4 weeks apart, to eliminate all stages of the worms.

Piperazine: Effective against two types of roundworms in dogs and cats. For maximum effectiveness, must be administered at least two times (10-14 days apart) to the pet.

Fenbendazole: A very broad spectrum anthelmintic (dewormer) used in both small and large animals. In dogs, it is effective against roundworms, hookworms, whipworms and even giardia. Treatment is once a day for three consecutive days.

Praziquantel: The drug of choice for treating adult tapeworm infections in both dogs and fish. Does not kill the tapeworm eggs, so there is a potential for reinfection. To prevent this from happening, pets should be retreated on a regular basis.

Ivermectin: Most commonly used as a monthly preventative for heartworm in dogs and cats. It is also effective against external parasites such as lice, mange and ear mites.

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The materials, information and answers provided through this website are not intended to replace the medical advice or services of a qualified veterinarian or other pet health care professional. Consult your own veterinarian for answers to specific medical questions, including diagnosis, treatment, therapy or medical attention.

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