10 Best Cat Heartworm Prevention (2024 Update)

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When it comes to keeping your beloved cat safe and healthy, heartworm prevention is an essential part of responsible pet ownership. Heartworm disease is a serious and potentially fatal condition caused by worms that can be transmitted to cats through mosquito bites. Fortunately, there are many effective products available to help prevent heartworm in cats. Here are 5 key points to consider when looking for the best cat heartworm prevention:

1. Effectiveness: Make sure you choose a product that is proven to be effective in preventing heartworm in cats. Look for products that are approved by the American Heartworm Society and those that have been tested and proven to be safe and effective.

2. Cost: Consider the cost of the product as well as the cost of any potential treatments should your cat become infected.

3. Ease of Use: Look for a product that is easy to use and administer. There are a variety of products available, including topical solutions, oral tablets, and injections.

4. Side Effects: Look for a product that has minimal side effects and is safe for your cat. Be sure to read the label carefully and talk to your veterinarian if you have any questions.

5. Frequency: Some products are designed to be administered monthly while others can be given every 3 months. Consider which option is best for your cat and your lifestyle.

Finding the best cat heartworm prevention product can be overwhelming. However, by doing your research and considering these 5 key points, you can be sure that you are choosing the right product for your cat. Talk to your veterinarian for more information and advice on the best product for your cat's needs.

10 Best Cat Heartworm Prevention

1. Zoguard Plus Flea And Tick Prevention For Dogs (Large – 45-88 Lb)

ZoGuard Plus Flea and Tick Prevention for Dogs (Large – 45-88 lb) is an effective way to protect your pet from fleas and ticks. Using the same amount of active ingredients as the leading brand, ZoGuard Plus provides the same flea and tick control for a much lower cost.

This product kills all stages of the flea life cycle, including eggs, larvae, and adults, providing a comprehensive flea treatment for dogs. It's waterproof, which is great for active dogs, as it will remain effective even after swimming or being exposed to sunlight.

ZoGuard Plus is manufactured in the USA and is EPA registered. It's a high-quality and accessible option for flea and tick prevention for large dogs. It's easy to use and provides long-lasting protection for your pet.

The EPA registration number for ZoGuard Plus for Dogs is 91300-5. To ensure optimal protection, use ZoGuard Plus for Dogs and follow the instructions on the product label. With ZoGuard Plus, you can protect your pet from fleas and ticks while keeping them safe and healthy.

2. Tevrapet Firstact Plus Flea & Tick Prevention For Small Dogs (6-22 Lbs), 3 Doses

TevraPet FirstAct Plus is a flea and tick prevention topical drops for small dogs (6-22 lbs) that provides continuous protection for up to 30 days after each application. It contains the same active ingredients as Frontline Plus for Dogs: Fipronil and (S)-methoprene, which starts to kill fleas and ticks within 24 hours. FirstAct Plus has a vet quality formula that not only repels and kills fleas and ticks on contact, but also kills flea eggs and larvae to stop infestations and break the flea and tick life cycle.

Every dose of FirstAct Plus is produced to exacting standards in a facility in Germany and rigorously tested for quality and potency. It is easy to use — simply apply the applicator to the skin on the back of your dog’s neck and the formula will migrate through the skin providing whole-body protection.

TevraPet believes you shouldn’t have to pay a “Brand tax” to protect your dog, and they are committed to providing affordable, veterinarian quality solutions without sacrificing an ounce of safety, effectiveness, or reliability. Their products are quality-assured and results-guaranteed, so if you (or your dog!) are unsatisfied for any reason, they offer courteous assistance and a no-questions asked refund. With FirstAct Plus, your dog can spend their time enjoying life both indoors and outside, free from the worry of biting bugs.

3. Zoguard Plus Flea And Tick Prevention For Cats, Over 1.5 Lbs (3 Dose)

ZoGuard Plus Flea and Tick Prevention for Cats Over 1.5 lbs (3 Dose) offers a powerful defense against fleas, ticks and lice. This product has the same active ingredients as Frontline Plus, providing the same protection for a fraction of the cost. ZoGuard Plus for Cats kills all life stages of fleas, including eggs, larvae and adults, thus breaking the flea life cycle. It also effectively eliminates 4 different species of tick, including those that may transmit Lyme disease and quickly eradicates chewing lice.

This product is waterproof, meaning that it will remain effective even after bathing, water immersion, or exposure to sunlight. This is a great choice for pet owners who want to take preventative action against fleas, ticks and lice without breaking the bank. ZoGuard Plus for Cats is safe to use on cats over 1.5 lbs and each box contains 3 doses. For cats weighing less than 1.5 lbs, ZoGuard Plus for Cats Mini, is available and should be used instead.

ZoGuard Plus Flea and Tick Prevention for Cats is a powerful, yet affordable solution for pet owners who want to protect their cats from fleas, ticks and lice. This product has the same active ingredients as Frontline Plus, delivers the same level of protection, yet is available for a fraction of the price. It kills all life stages of fleas and is effective against 4 different species of ticks, including those that may transmit Lyme disease. It also rapidly eradicates chewing lice and is waterproof, remaining effective even after bathing, water immersion, or exposure to sunlight. It is safe to use on cats over 1.5 lbs and each box contains 3 doses.

4. Dog Flea & Tick Chewable: Natural Prevention With Bacon Flavor, Hemp, Garlic & Flaxseed (90chews, 12oz)

SUNNYCHEWS Flea and Tick Prevention for Dogs is an all-natural, grain-free dog treat that helps protect against fleas, ticks, and larvae. These soft chews come in a delicious bacon flavor and are made from high-quality ingredients like garlic powder, flaxseed meal, and vitamins B1, B6, and B12. With 90 chews per 12oz container, your pup will have plenty of tasty treats to enjoy while receiving the flea and tick protection they need.

The ingredients in SUNNYCHEWS Flea and Tick Prevention for Dogs are carefully chosen to create an effective defense against pesky pests. Garlic powder helps to repel fleas, ticks, and larvae while the flaxseed meal adds a boost of nutrients to the treats. Vitamins B1, B6, and B12 provide further protection, as well as additional benefits to the overall health of your pup. Each chew weighs 4 grams, which is almost double the weight of comparable products.

SUNNYCHEWS Flea and Tick Prevention for Dogs is proudly made in the USA, giving you the assurance that you are providing your pup with a safe and secure product. For best results, we recommend trying to break up the chews in your pup’s food or wrapping them in a piece of meat or cheese. If, after 30 days, you are not completely satisfied, just contact us and we will refund your purchase in full.

Keep your pup safe and happy with SUNNYCHEWS Flea and Tick Prevention for Dogs. It’s the perfect combination of tasty treats and effective protection against fleas, ticks, and larvae. With no grains, corn, or soy derivatives, you can trust that your pup is getting the highest quality ingredients in their treats. Give it a try today and see the difference for yourself.

5. K9 Advantix Ii Flea And Tick Prevention For Extra-Large Dogs 4-Pack, Over 55 Pounds

K9 Advantix II Flea and Tick Prevention for Extra-Large Dogs 4-Pack, Over 55 Pounds is a comprehensive solution for protecting your pet from fleas, ticks and mosquitoes. This four-month supply of topical flea and tick prevention is designed to provide your extra-large dog with up to 55 pounds with all-season protection.

K9 Advantix II works by contact, meaning that fleas, ticks, and mosquitoes do not need to bite your dog in order to die. Once applied, the formula starts working within 12 hours to kill fleas and keeps working for up to 30 days. This makes it an effective year-round flea and tick treatment for extra-large dogs.

The formula is easy to apply and comes with instructions on how to safely use it. With K9 Advantix II, you can be sure that your dog will be provided with long-lasting protection against fleas, ticks, and mosquitoes. It is a safe and effective way to help keep your pet healthy and happy.

6. Tevrapet Activate Ii Flea & Tick Prevention For Dogs, 4-Month Supply, Large Dogs 21-55 Lbs.

TevraPet Activate II Flea and Tick Prevention is a fast-acting topical drops treatment designed specifically to protect your dog from fleas and ticks. This four-month supply is specifically formulated for large dogs weighing between 21 and 55 lbs.

Activate II uses Imidacloprid, Permethrin, and Pyriproxyfen – the same effective active ingredients found in K9 Advantix II for Dogs. Veterinarians approve this product to repel and kill fleas and ticks on contact, before your dog is exposed to bites and potential flea-borne illnesses.

This product helps stop infestations quickly, using an insect growth regulator (IGR) to start killing flea eggs and larvae within 12-hours of application. It is easy to apply, simply by applying to the base of your dog's neck, and the waterproof solution will travel across the skin, providing continuous protection for 30 days per application.

TevraPet Activate II Flea and Tick Prevention is made in America to the exacting standards we demand for our own pets. We are proud to help you protect your dog with confidence.

7. Liquid-Vet Flea & Tick+ Advanced Prevention For Dogs 12+ Weeks, Made In Usa.

Liquid-Vet Flea & Tick+ Advanced is a powerful flea and tick prevention treatment for dogs 12 weeks and older. It is formulated with natural ingredients and plant extracts and is 100% food-grade, making it safe for your pet and your family. Unlike most flea and tick sprays and spot-on treatments, it does not contain Permethrin and Fipronil, and leaves no oily residue.

Applying the solution is easy – simply massage it evenly over the tail, legs, and stomach avoiding private parts and face area. It is recommended to apply once a week for maintenance or daily for infestations, and reapply after bathing and swimming. A single bottle of this dog flea treatment can last up to 12 months.

Liquid-Vet Flea & Tick+ Advanced is proudly made in the USA, manufactured at their own plant in the USA, using only materials from their qualified USA-based suppliers. Quality control is a top priority, and they back their formula with a 100% no questions asked money back guarantee.

This product provides holistic pest protection for your dog without the use of fear-inducing sprays or typical oral pesticides. The powerful plant extracts, such as Eugenol, Geraniol, Thyme oil, Lemongrass Oil, Peppermint oil, and Rosemary oil, makes this an incredibly effective and safe solution for flea and tick prevention for your pet. Plus, it leaves an incredibly fresh scent on your pet. Get Liquid-Vet Flea & Tick+ Advanced today and protect your dog from fleas, ticks, and mosquitoes.

8. Petarmor Plus Flea & Tick Prevention, Dog Treatment, Waterproof, Small Dogs (5-22 Lbs), 3 Doses

PetArmor Plus Flea and Tick Prevention for Dogs is a powerful and effective waterproof topical prevention solution that kills fleas, flea eggs, flea larvae, ticks, and chewing lice for up to 30 days after application. Containing the same active ingredients as FRONTLINE Plus for Dogs, fipronil and (S)-methoprene, PetArmor Plus for Dogs has a powerful formula that starts to kill fleas within 24 hours. Not only does it effectively kill fleas, but it also works to break the flea life cycle by killing flea eggs and larvae to prevent re-infestation.

PetArmor Plus Flea and Tick Prevention for Dogs is simple to use and lasts up to 30 days nose to tail. The package contains three waterproof topical applications that provide flea protection and control for three months. It is specifically designed for small dogs ranging from 5-22 lbs. and can be used with confidence knowing that it is trusted vet quality formula.

By using PetArmor Plus Flea and Tick Prevention for Dogs, pet owners can enjoy fast and long-lasting flea and tick protection. Fleas and ticks can be more than just a nuisance, but an actual health risk for your pet. With PetArmor Plus Flea and Tick Prevention for Dogs, pet owners can feel confident that their pet is safe and protected from fleas and ticks.

9. Flea & Tick Treatment & Prevention, Natural Spot-On, 2-25 Lbs, 9-Month Supply

This Cat Flea and Tick Treatment and Prevention is a safe, natural and effective spot-on treatment with a guaranteed effect. Our unique formula is made from natural plant essential oils, without the stimulation and strict use requirements of chemicals. This product provides a 9 Month Supply, with a larger capacity and longer protection time than other products on the market. Each use of our product provides up to one month of protection and is based on the cat's weight.

This product is only suitable for pets over 10 weeks old and must not be used on pets with other diseases or broken skin wounds. Our product is easy to use, featuring a transparent bottle with a scale, making it simple to measure the correct amount for each application.

For best results, instructions should be read and followed carefully before use. Pets that are too young, too light, have broken skin or are sick are not suitable for this product. Our Cat Flea and Tick Treatment and Prevention is an effective, natural solution that provides up to 9 months of protection.

10. Flea & Tick Treatment For Large Dogs (45-88 Lbs), 3 Pack

Amazon Basics Flea and Tick Topical Treatment for Large Dogs (45-88 pounds) is a three count pack of flea and tick protection for your pet. It starts to work within 24 hours of application and provides up to 30 days of protection. This product is the same formulation and manufacturing as the Solimo brand, but with a new look.

The active ingredients, Fipronil and (s)-methoprene, work together to prevent flea infestations by killing flea eggs, larvae, mosquitos, biting flies and chewing lice. This product is waterproof, so your pet’s treatment will remain effective even if they are exposed to rain or water activities within 24 hours of application.

The packaging you receive may vary, as you may receive this product in either Solimo or Amazon Basics packaging. Additionally, Amazon Basics Flea and Tick Topical does not expire. We’re proud of this product and stand behind it with a satisfaction guarantee. If you aren’t satisfied with it for any reason, we’ll refund you within a year of purchase.

Amazon Basics Flea and Tick Topical Treatment for Large Dogs (45-88 pounds), 3 Count (Previously Solimo) is a safe, effective way to protect your pet from fleas and ticks. It will start working within 24 hours and provide up to 30 days of protection with just one application. Its active ingredients, Fipronil and (s)-methoprene, will help prevent flea infestations and keep your pet free from mosquitos, biting flies, and chewing lice. With our satisfaction guarantee, you can have peace of mind knowing that you can get a refund if you’re not satisfied with the product within a year of purchase.

Best Cat Heartworm Prevention FAQs

Do cats really need heartworm prevention?

Yes, cats do need heartworm prevention. Heartworm is a serious and potentially fatal disease caused by a parasite that is spread through the bite of an infected mosquito. Cats can become infected with heartworm, although it is less common than in dogs. However, cats can still suffer from serious health problems if they become infected.

Heartworm prevention is important for cats because it can help protect them from the disease. Heartworm prevention medications are available in both topical and oral forms. These medications work by killing the larvae of the heartworm parasite before they can mature and cause disease.

In addition to heartworm prevention, cats should also be tested for the disease on a regular basis. This is especially important for cats that live in areas where heartworm is common. Testing can help detect the disease early, which can help reduce the risk of serious health problems.

Overall, cats need heartworm prevention to help protect them from this serious and potentially fatal disease. It is important to talk to your veterinarian about the best heartworm prevention options for your cat.

Do vets recommend heartworm prevention for cats?

Yes, vets do recommend heartworm prevention for cats. Heartworm is a serious and potentially fatal disease that can affect cats, as well as dogs. It is caused by a parasite that is transmitted through the bite of an infected mosquito. The parasite can cause damage to the heart, lungs, and other organs, and can even be fatal if left untreated.

Heartworm prevention is the best way to protect cats from this disease. There are several types of heartworm preventatives available, including oral medications, topical treatments, and injections. These medications are designed to kill the larvae of the heartworm parasite before they can mature and cause damage.

Vets recommend that cats be tested for heartworm before starting any preventative treatment. This is because cats can be infected with heartworm without showing any symptoms. If the test is positive, the vet will recommend a course of treatment to kill the adult worms.

In addition to preventative medications, vets also recommend that cats be kept indoors and away from areas where mosquitoes are present. This is because mosquitoes are the primary carriers of the heartworm parasite. Keeping cats indoors and away from areas where mosquitoes are present can help reduce the risk of infection.

Overall, vets do recommend heartworm prevention for cats. This is because heartworm can be a serious and potentially fatal disease. By using preventative medications, keeping cats indoors, and avoiding areas where mosquitoes are present, cats can be protected from this disease.

Is there a heartworm vaccine for cats?

No, there is not a heartworm vaccine for cats. Heartworm is a parasitic infection caused by a roundworm called Dirofilaria immitis. This parasite is spread through the bite of an infected mosquito and is most commonly found in dogs. Cats can become infected with heartworm, but it is much less common than in dogs.

The best way to protect cats from heartworm is to keep them indoors and away from areas where mosquitoes are present. Additionally, cats should be tested for heartworm annually and given preventive medications to reduce the risk of infection.

Unfortunately, there is no vaccine available to protect cats from heartworm. Vaccines work by stimulating the body’s immune system to produce antibodies that can fight off a particular disease. Since heartworm is caused by a parasite, not a virus or bacteria, a vaccine is not effective.

The best way to protect cats from heartworm is to keep them indoors and away from areas where mosquitoes are present. Additionally, cats should be tested for heartworm annually and given preventive medications to reduce the risk of infection. Additionally, cats should be kept up to date on their vaccinations for other diseases, such as rabies, feline leukemia, and feline distemper.

In conclusion, there is no heartworm vaccine for cats. The best way to protect cats from heartworm is to keep them indoors and away from areas where mosquitoes are present. Additionally, cats should be tested for heartworm annually and given preventive medications to reduce the risk of infection. Additionally, cats should be kept up to date on their vaccinations for other diseases.

Which heartworm prevention is most effective?

Heartworm prevention is most effective when it is administered on a regular basis. The American Heartworm Society recommends that all dogs and cats be given a monthly heartworm preventive medication. This medication is typically administered orally or topically, and it works by killing any heartworm larvae that may have been ingested by the pet. It also helps to prevent the larvae from maturing into adult worms.

In addition to monthly heartworm prevention, it is important to have your pet tested for heartworms at least once a year. This will help to ensure that your pet is not infected with heartworms and that the preventive medication is working properly.

There are several different types of heartworm preventives available, and it is important to discuss the best option for your pet with your veterinarian. Some of the most popular heartworm preventives include ivermectin, milbemycin oxime, and selamectin. These medications are typically safe and effective when used as directed.

It is also important to keep your pet’s environment free of mosquitoes, as these are the primary carriers of heartworm larvae. Keeping your pet indoors, using mosquito repellents, and avoiding areas with standing water can help to reduce the risk of your pet becoming infected with heartworms.

Overall, the most effective way to prevent heartworm disease is to use a monthly heartworm preventive medication and to have your pet tested for heartworms at least once a year. Additionally, taking steps to reduce your pet’s exposure to mosquitoes can help to reduce the risk of infection.