Iverhart Plus vs Sentinel Spectrum

An important part of keeping your dog happy and healthy is keeping irritating and dangerous heartworms and parasites at bay. Two of the top parasite preventatives are Iverhart Plus and Sentinel Spectrum. Each formula works differently to combat a unique set of parasites, and they both have advantages that may make them the right choice for your dog. See below for a table and additional information about these effective medications.

Iverhart Plus for Dogs

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Sentinel Spectrum

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What makes Iverhart Plus and Sentinel Spectrum different from one another?

These two medications share many common traits. Both products protect dogs against heartworms, hookworms, and roundworms. They are both chewable tablets, with Iverhart Plus offering a pork flavor and Sentinel Spectrum featuring a beef flavor.

Each of these products requires a prescription from your pet’s veterinarian. They are both administered monthly, and they are both safe for use in pregnant dogs, breeding dogs, and puppies over 6 weeks old (although Sentinel Spectrum should only be given to puppies weighing more than 2 pounds).

These formulas are different in a few ways, too. Iverhart Plus contains two active ingredients - Pyrantel Pamoate and Ivermectin. Sentinel Spectrum boasts a potent trio of active ingredients - Lufenuron, Milbemycin Oxime, and Praziquantel. This product also offers added protection against whipworms and tapeworms, kills fleas, stops the development of flea larvae and eggs, and is safe for use in lactating dogs.

Key takeaways on Iverhart Plus vs. Sentinel Spectrum

If you’re hoping to protect your dog against dangerous parasites like heartworms, roundworms, and hookworms, you’ve found two great options in Iverhart Plus and Sentinel Spectrum. Choosing between the two might be tough, but a couple of factors can help with your decision.

If you have a puppy weighing less than 2 pounds, Iverhart Plus might be your best option. If you’re on the hunt for a product that protects against fleas, whipworms, and tapeworms, or if you have a lactating dog, Sentinel Spectrum could be the best choice for your dog. If your dog is already taking a flea and tick preventative, Iverhart Plus could be right for your pup.

Talk to your veterinarian to finalize your decision between these two products. Your vet can also answer all of your questions and address any concerns you might have. From there, you’ll want to bring your dog’s prescription right to Allivet! Have your pet’s prescriptions, supplements, and other products delivered directly to your door, and get the lowest price you’ll find anywhere! Our pharmacists also offer free pet parent consultations if you find yourself with any other questions about these or any other Allivet products.

Feature Iverhart Plus Sentinel Spectrum
Kills Fleas No Yes
Repels Fleas No No
Kills Flea Eggs and Larvae No Stops Development
Kills Ticks No No
Repels Ticks No No
Repels Mosquitoes No No
Prevents Heartworm Yes Yes
Other Parasites Hookworms and Roundworms Roundworms, Hookworms, Whipworms, and Tapeworms
Waterproof Yes since taken orally Yes
How Long to work N/A N/A
Taste Pork flavored Beef flavored
Active Ingredient Ivermectin and Pyrantel Pamoate Milbemycin Oxime, Lufenuron, and Praziquantel
RX Required Yes Yes
Application Type Chewable Tablet Chewable Tablet
Dosing 1 tablet per month 1 tablet per month
Age Dogs 6 weeks and older Dogs aged 6 weeks and weight 2lbs or more
Manufacturer Merck Animal Health Merck Animal Health
Safety Safe for pregnant or breeding females. Breeding, pregnant, and lactating dogs may use.

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