5 Best Pet Dewormer & Parasite Medications - May 2026

Treats and controls 2 strains of tapeworms and roundworms, and 3 strains of hookworms.
Contains active ingredients present in veterinary brands.
Includes a dosing table.

CONS

Some dogs may experience side effects like diarrhea.

Bayer

Quad Dewormer for Small Dogs

Best Flavor

A treat-like tablet that is safe for dogs over 4 weeks old, and eliminates 4 different types of worms and parasites.

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PROS

Comes in beef-flavored chewables that dogs will like.
Removes hook, tape, round, and whipworms in a single dose.
Suited for dogs between 2 and 25 pounds.

CONS

Dosage and frequency directions are not very comprehensive.

SENTRY

7 Way De-Wormer for Small Dogs

Most Comprehensive

A 7-way dewormer medication that treats a wide range of parasites and is available without a prescription.

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PROS

Contains 2 active deworming ingredients.
Treats and controls 6 strains of worms.
Comes in a pack of 6 flavored chewables.
Best for dogs and puppies between 6 and 25 pounds.

CONS

Some complaints of the product arriving expired.

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First Reviewed

July 11, 2021

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