Sentinel Flea and Heartworm Preventive

Sentinel Flea and Heartworm Control


For families with dogs, parasites like heartworm and fleas can be more than harmful. They may be devastating. Left untreated, heartworm can be fatal to a dog. Protect your pet with routine parasite prevention.

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Product Description

Sentinel is a once-a-month heartworm and flea preventative that comes in a flavored tablet. You should give your dog their Sentinel tablet on the same calendar day every month, along with a full meal. Sentinel will prevent heartworm disease, as well as treat and prevent roundworms, hookworms, and whipworms.

Sentinel is for dogs only. It is safe for all breeds of dogs including pregnant and nursing females, breeding males and puppies as young as 4 weeks of age.

Prescription Only

Only available for current client refills. Any orders placed by non-current clients will be cancelled.

Additional Information


6 month supply, 12 month supply

Pet Weight:

Dog 2-10 lbs, Dog 11-25 lbs, Dog 26-50 lbs, Dog 51-100 lbs