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NOTE: It’s easy! Submit your order and Pet’s First Choice will verify your pet’s prescription with your veterinarian. Please allow 24-48 hours for this validation.

Sentinel Spectrum for Dogs

This item is by prescription only.

Starting at $20.99


Sentinel Spectrum is a once-per-month soft chew given to your dog to prevent heartworms, fleas, roundworms, hookworms, whipworms, and tapeworms.

Your pet is sure to flip for this soft, beef-flavored chew that is nothing short of a treat!

Your pet must be tested for heartworms once per year to receive this medication.

Additional information

Pet Weight

2.8-5.5lbs, 8-25lbs, 26-50lbs, 51-100lbs

Pack Count

Single Dose, 6pack