When you shop through links on our site, we may earn an affiliate commission. This educational content is not intended to be a substitute for professional advice.

Best Heartworm Prevention For Cats (2024 Updated)

If you’re looking for a way to ensure your cat is protected against heartworm, then you’ve come to the right place. Heartworm prevention for cats is essential in maintaining your cat's health as they are a serious threat to their well-being. It is easy to overlook heartworms in cats as they are less common than in dogs, but they can cause severe health problems if left untreated.

Before purchasing heartworm prevention products for your cat, there are a few factors to consider. Firstly, the age and weight of your cat are significant considerations as it determines the appropriate dosage required. Secondly, your cat's medical history and any underlying medical conditions should be factored in as some products may not be suitable. Lastly, the cost of the product should be considered in terms of long-term benefits and affordability.

Are you wondering what the signs of heartworm in cats are? How long does it take for a cat to develop heartworms? What types of heartworm prevention are available for cats? These are all common questions that cat owners ask, and we have the answers to all of them. Keep reading to learn more about the importance of heartworm prevention and how to keep your cat healthy and happy.

10 Best Heartworm Prevention For Cats

# Product Image Product Name Product Notes Check Price
1
This product is ideal for preventing and treating fleas and ticks in cats over 1.5 pounds for a 6-month period.
2
The product is ideal for flea prevention and control for large cats weighing over 9 pounds.
3
Product is a vet-recommended solution for flea treatment and prevention in cats over 9lbs, with a 6-month supply.
4
This product is ideal for treating and preventing flea and tick infestations in cats and kittens.
5
The product is ideal for preventing and treating fleas in small cats weighing between 5-9 lbs for a duration of 6 months.
6
This product is ideal for preventing and treating fleas and ticks on dogs over 18 lbs for up to 8 months.
7
The product is ideal for preventing fleas and ticks in cats over 1.5lbs with its 6 monthly doses of topical drops.
8
This product is ideal for preventing and treating fleas and ticks on cats over 3.5 lbs for a period of three months.
9
The product is ideal for preventing and treating fleas in large cats and provides four-month coverage with long-lasting effects.
10
The product is ideal for protecting and preventing fleas, ticks, and mosquitoes on large dogs weighing 21-55 lbs for 6 months.
This product is ideal for preventing and treating fleas and ticks in cats over 1.5 pounds for a 6-month period.
The product is ideal for flea prevention and control for large cats weighing over 9 pounds.
Product is a vet-recommended solution for flea treatment and prevention in cats over 9lbs, with a 6-month supply.
This product is ideal for treating and preventing flea and tick infestations in cats and kittens.
The product is ideal for preventing and treating fleas in small cats weighing between 5-9 lbs for a duration of 6 months.
This product is ideal for preventing and treating fleas and ticks on dogs over 18 lbs for up to 8 months.
The product is ideal for preventing fleas and ticks in cats over 1.5lbs with its 6 monthly doses of topical drops.
This product is ideal for preventing and treating fleas and ticks on cats over 3.5 lbs for a period of three months.
The product is ideal for preventing and treating fleas in large cats and provides four-month coverage with long-lasting effects.
The product is ideal for protecting and preventing fleas, ticks, and mosquitoes on large dogs weighing 21-55 lbs for 6 months.

1. 6-Month Supply: Flea & Tick Shield For Cats

PetArmor Plus is a reliable and waterproof flea and tick prevention treatment for cats. This topical solution is effective against fleas, flea eggs, flea larvae, ticks, and chewing lice for up to 30 days after application. With a trusted, vet-quality formula, it contains fipronil and (S)-methoprene, which are the same active ingredients as FRONTLINE Plus for Cats. Thus, PetArmor Plus for Cats has a powerful formula that starts to kill fleas within 24 hours.

Unlike other flea and tick treatments that temporarily suppress flea activity, PetArmor Plus Cat Flea Treatment works by effectively breaking the flea life cycle. It kills flea eggs and larvae to prevent re-infestation, ensuring long-lasting protection. Your furry family member will be protected from brown dog ticks, American dog ticks, Lone Star ticks, and deer ticks that may transmit Lyme disease. The treatment is easy-to-use and comes with six (6) waterproof topical applications that provide your pet with flea protection and control for six (6) months.

Pros

  • Waterproof and effective
  • Kills fleas, flea eggs, flea larvae, ticks, and chewing lice
  • Contains the same active ingredients as FRONTLINE Plus for Cats
  • Starts to kill fleas within 24 hours
  • Breaks the flea life cycle
  • Protects against brown dog ticks, American dog ticks, Lone Star ticks, and deer ticks
  • Provides long-lasting protection for six (6) months

2. Cat Flea Prevention: Actispot Ii

TevraPet Actispot II is a powerful and waterproof topical flea treatment for large cats. It is an effective solution that kills fleas, flea eggs, and flea larvae for up to 30 days after each application. This vet-approved formula uses Imidacloprid and Pyriproxyfen, which are safe and active ingredients found in Advantage II, but at a lower cost.

TevraPet Actispot II is fast-acting and long-lasting without requiring any biting from fleas. It repels and kills fleas on contact, providing immediate relief to your cat. This flea treatment begins killing within 24 hours of application and starts repelling immediately. Other oral flea tablets, pills, and chews require that your pet is bitten by a pest before the medication starts working, which may expose your cat to flea-borne diseases.

This flea treatment helps break the flea life cycle and prevent reinfestation. Unlike other flea medications that only temporarily control fleas, Actispot II flea treatment stops infestations dead in their tracks. It safely kills flea eggs and larvae, ensuring your cat can nap in the sun and stroll through the garden without any worries.

TevraPet Actispot II is easy-to-use and made in the USA. Each package comes with six (6) fully waterproof topical applications that are easy to apply. The product is rigorously tested for quality and potency, providing your cat with safe and reliable flea protection and control for up to six (6) months.

Pros

  • Powerful and waterproof topical flea treatment for large cats
  • Kills fleas, flea eggs, and flea larvae for up to 30 days after each application
  • Vet-approved formula with Imidacloprid and Pyriproxyfen
  • Fast-acting and long-lasting without requiring any biting from fleas
  • Helps break the flea life cycle and prevent reinfestation
  • Easy-to-use and made in the USA
  • Rigorously tested for quality and potency
  • Provides six (6) months of safe and reliable flea protection and control

3. Flea Shield For Large Cats – Vet Approved!

Advantage II Large Cat is a highly effective flea treatment and prevention brand, designed for large cats weighing over 9 lbs and at least 8 weeks of age. This monthly topical treatment is easy to apply, and there is no need to administer hard-to-swallow pills or obtain a prescription from a vet.

This product delivers total flea protection by killing adult fleas, flea larvae, and flea eggs through contact. Unlike other treatments, Advantage II Large Cat provides same-day effectiveness, killing fleas within 12 hours of application and lasting for 30 days.

The fragrance-free formula is specially designed to not irritate your cat's nose, and the treatment is waterproof 24 hours after application. Advantage II Large Cat is a trusted and reliable brand that is recommended by vets worldwide.

Pros

  • Easy to apply
  • Effective flea prevention
  • Kills adult fleas, flea larvae, and flea eggs
  • Same-day effectiveness
  • Fragrance-free formula
  • Waterproof after 24 hours

4. Frontline Plus For Cats And Kittens Flea And Tick Treatment, 3 Doses

Frontline Plus for Cats is an effective, waterproof flea and tick treatment and control for cats and kittens that are 1.5 lbs and over. This product breaks the flea life cycle by killing adult fleas, flea eggs, and larvae, thus stopping existing infestations and preventing the establishment of new ones. It also kills ticks, including those that may transmit Lyme disease. This product is trusted by veterinarians and has been providing reliable flea and tick protection for nearly 20 years.

This flea and tick treatment is made with two powerful ingredients, fipronil, and (S)-methoprene. Fipronil kills adult fleas and ticks while (S)-methoprene kills flea eggs and larvae. The long-lasting formula of Frontline Plus for Cats is stored in the oil glands of the cat's skin, providing non-stop protection for a full 30 days. It is available in a 3-dose supply that lasts for three months.

Frontline Plus for Cats is easy to use. Simply apply the solution directly to your cat's skin between the shoulder blades once a month. Frontline Plus for Cats is a fast-acting solution that starts working in just 12 hours after application. It is also waterproof, which means you do not have to worry about reapplying it after your cat takes a bath or goes for a swim.

Pros

  • Waterproof flea and tick treatment and control
  • Kills adult fleas, flea eggs, and larvae
  • Kills ticks, including those that transmit Lyme disease
  • Trusted by veterinarians for nearly 20 years
  • Contains two powerful ingredients, fipronil, and (S)-methoprene
  • Provides non-stop protection for a full 30 days
  • Easy to apply

Cons

  • – May cause skin irritation or hair loss in some cats

5. Advantage Ii Small Cat Vet-Recommended Flea Treatment & Prevention | Cats 5-9 Lbs. | 6-Month Supply

The Advantage II Small Cat is a top-rated flea treatment and prevention brand, specifically designed for large cats weighing between 5-9 lbs and over 8 weeks of age. It is highly recommended by vets for its easy-to-apply monthly topical treatment that does not require any hard-to-swallow pills or prescription.

This flea treatment provides complete protection against fleas by killing adult fleas, flea larvae, and flea eggs through contact. It offers same-day effectiveness, as it starts killing fleas within 12 hours of application and continues to work for 30 days. Additionally, it has a fragrance-free formula and is waterproof after 24 hours of application, making it safe and comfortable for your cat to wear.

With Advantage II Small Cat, you can ensure that your furry friend is completely protected against fleas, and the application process is quick and easy. It is an ideal choice for cat owners who want a reliable and efficient flea treatment for their large cats.

Pros

  • Easy-to-apply monthly topical treatment
  • Kills adult fleas, flea larvae, and flea eggs through contact
  • Same-day effectiveness
  • Fragrance-free formula
  • Waterproof after 24 hours of application

6. Vet-Recommended Seresto Collar: Flea & Tick Protection

Introducing Seresto Flea and Tick Collar, a premium flea and tick protection for dogs and puppies that comes vet-recommended without the hefty price tag. This flea collar is designed to kill and repel fleas for eight continuous months, making it a long-lasting choice for pet owners. As the number one selling non-prescription flea and tick brand, it is stocked by over 8,000 vet clinics, according to Elanco Animal Health's data on file.

Seresto Flea and Tick Collar starts working within 24 hours to kill and repel fleas by contact, preventing pests from having to bite your dog to die. This hassle-free, non-greasy, and easy-to-use flea and tick protection ensures your pet is safe and free from flea and tick infestations.

With its premium quality and effectiveness, Seresto Flea and Tick Collar is a must-have for pet owners who want to keep their furry friends healthy and protected from fleas and ticks.

Pros

  • Vet-recommended flea and tick protection
  • Long-lasting for up to eight months
  • Number one selling non-prescription flea and tick brand
  • Effective within 24 hours
  • Hassle-free and non-greasy
  • Easy-to-use

7. Tevrapet Firstact Plus Flea And Tick Prevention For Cats Over 1.5lbs, 6 Monthly Doses, Topical Drops

If you're looking for an effective and affordable flea and tick prevention for your furry feline, then FirstAct Plus is definitely worth considering. This topical solution contains fipronil and (S)-Methoprene which are the same active ingredients found in Frontline Plus, a leading brand in flea and tick protection. With FirstAct Plus, you can trust that your cat is getting fast-acting, vet-quality protection against fleas and ticks.

One of the things that set FirstAct Plus apart from other flea and tick prevention products is its ability to break the flea life cycle. This product not only repels and kills fleas and ticks on contact, it also gets rid of flea eggs and larvae, chewing lice, and all stages of ticks including those that can transmit Lyme disease. This means that you can prevent infestations and keep your cat safe from harmful pests.

Applying FirstAct Plus is easy and hassle-free. With each application, your cat will be protected for 30 days. The solution is applied to the base of your cat's neck, and one package contains 6 doses which is good for 6 months of flea and tick protection.

FirstAct Plus is made in Germany in a certified EU-GMP facility, and it has been tested to meet rigorous standards of quality and consistency. This product is a powerful and affordable option for cat owners who want to keep their pets protected from fleas and ticks.

Overall, FirstAct Plus is a great alternative to Frontline Plus for cats. It provides the same level of protection and effectiveness, but at a more affordable price point. Plus, with its ability to break the flea life cycle, you can trust that your cat is getting the best possible protection against fleas and ticks.

Pros

  • Contains the same active ingredients as Frontline Plus
  • Breaks the flea life cycle to prevent infestations
  • Repels and kills fleas and ticks on contact
  • Gets rid of flea eggs and larvae, chewing lice, and all stages of ticks
  • Affordable and powerful flea and tick protection
  • Easy to apply with 30 days of protection per application
  • 6-month supply with 6 topical doses

8. Swiftshield Cat Flea & Tick 3-Month Supply

The NEXTSTAR flea and tick treatment for cats is the perfect solution for your feline friend's flea and tick problems. With its fast-acting formula, it starts killing fleas and ticks in just 15 minutes after application. This vet-strength formula is easily accessible without a prescription, providing a convenient solution for cat owners. The easy-to-use topical application offers 30 days of protection, ensuring long-lasting flea and tick prevention. It not only kills fleas and ticks but also prevents reinfestations by stopping the development of flea eggs into biting adults. The NEXTSTAR Flea & Tick Topical for Cats provides 7-way control, killing fleas, ticks, mosquitoes, chewing lice, flea eggs, flea larvae, and preventing the development of flea pupae. This fast-acting, waterproof topical is a must-have for cat owners looking for effective cat flea and tick control.

Pros

  • Fast-acting formula starts killing fleas and ticks in just 15 minutes after application
  • Vet-strength formula available without a prescription
  • Easy-to-use topical application provides 30 days of protection
  • Prevents reinfestations by stopping the development of flea eggs into biting adults
  • Provides 7-way control, killing fleas, ticks, mosquitoes, chewing lice, flea eggs, flea larvae, and preventing the development of flea pupae
  • Waterproof formula ensures long-lasting flea and tick prevention

9. Advantage Xd For Large Cats: 4 Months Flea-Free.

Protect your furry friend from fleas with this 4-month (2 doses) flea treatment and prevention for indoor and outdoor cats or kittens over 9 lbs., 8 weeks or older. With its longer-lasting protection, this product outlasts other topical products, providing 2 months of protection per dose, which is sufficient to outlast the typical flea life cycle. Designed to start working fast, this treatment begins killing fleas through contact within 30 minutes to 4 hours.

Applying this topical treatment is easy and doesn't require a prescription. The fragrance-free formula contains a naturally derived ingredient, Spinetoram, which won the US EPA Presidential Green Chemistry Challenge in 2008 for designing greener chemicals. This ingredient makes it safe for your pet and family members. Get this flea treatment and prevention for your cat and enjoy a flea-free environment without breaking the bank.

Pros

  • Longer-lasting protection as compared to other topical products
  • Starts killing fleas within 30 minutes to 4 hours
  • Easy-to-apply topical treatment
  • Fragrance-free formula
  • Contains a naturally derived ingredient, Spinetoram which won US EPA Presidential Green Chemistry Challenge in 2008

Cons

  • – Not suitable for cats or kittens under 9lbs or 8 weeks old
  • – May cause skin irritation in rare cases

10. K9 Advantix Ii Large Dog 6-Mo Protection

Protect your furry friend weighing between 21-55 lbs with K9 Advantix II Large Dog 30-day Treatment & Prevention. This product is designed to safeguard your dog from fleas, ticks, mosquitoes, biting flies, and lice.

K9 Advantix II's vet-recommended formula is highly effective and kills fleas within 12 hours of application. The formula also repels and kills pests on contact, so fleas don’t have to bite your dog to die.

The easy-to-apply topical treatment is fragrance-free and waterproof after 24 hours. It doesn't require any prescription and is safe for your dog to use.

Pros

  • Protects dogs from fleas, ticks, mosquitoes, biting flies, and lice
  • Kills fleas within 12 hours of application
  • Repels and kills pests on contact, so fleas don’t have to bite your dog to die
  • Easy-to-apply topical treatment
  • Fragrance-free
  • Waterproof after 24 hours
  • No prescription needed

Best Heartworm Prevention For Cats FAQs

Are there any side effects associated with heartworm prevention medication for cats?

Yes, there can be side effects associated with heartworm prevention medication for cats. These side effects can range from mild to severe, and can include vomiting, diarrhea, loss of appetite, lethargy, and even seizures in rare cases. Some cats may also experience allergic reactions to the medication, which can cause symptoms such as itching, hives, and difficulty breathing. It is important to note that these side effects are relatively rare, and most cats are able to tolerate heartworm prevention medication without any problems. However, if you notice any unusual symptoms in your cat after administering the medication, it is important to contact your veterinarian right away. They can help determine if the symptoms are related to the medication and provide appropriate treatment if necessary. Overall, the benefits of heartworm prevention medication for cats far outweigh the potential risks, and it is an important part of keeping your feline friend healthy and protected.

Can indoor cats get heartworm and do they need to be on prevention medication?

Yes, indoor cats can get heartworm disease. Although outdoor cats are more susceptible to heartworm infection due to mosquito bites, indoor cats can also contract it if a mosquito carrying the disease enters the home. In addition, heartworm disease can also be transmitted through infected needles or other items that come into contact with the bloodstream.

Prevention medication is highly recommended for all cats, including indoor cats. Preventative medication can prevent heartworm disease and other harmful parasites from infecting your feline friend. There are several types of preventative medication available, including monthly pills, topical treatments, and injections.

It's important to note that heartworm disease can be fatal if left untreated, so it's crucial to take preventative measures to protect your cat's health. Regular check-ups with your veterinarian can help ensure that your cat is up to date on all necessary preventative measures and can catch any potential health issues early on.

How often should I give my cat heartworm prevention medication?

Heartworm disease is a serious and potentially fatal condition in cats that is caused by parasitic worms that live in the heart and lungs. These worms are transmitted through mosquito bites. Therefore, it is essential to protect your cat from this disease by giving them heartworm prevention medication regularly.

The frequency of giving heartworm prevention medication to your cat may vary depending on the specific product you use. However, most veterinarians recommend giving your cat a heartworm prevention medication every month. This is because heartworm larvae take about a month to mature into adult worms, and monthly medication helps to kill any larvae before they can mature.

It is important to note that even indoor cats can contract heartworm disease, as mosquitoes can get inside the house. Therefore, it is crucial to consult with your veterinarian to determine the most appropriate heartworm prevention medication for your cat and how often to administer it.

In conclusion, giving your cat heartworm prevention medication monthly is a simple and effective way to protect your furry friend from this potentially fatal disease. Always consult with your veterinarian to ensure that you are using the best medication and administering it according to their recommendations.

Is heartworm prevention medication for cats safe to use in conjunction with other medications or supplements?

Heartworm prevention medication for cats is generally safe to use in conjunction with other medications or supplements. However, it is always best to consult with your veterinarian before administering any medications or supplements to your cat. Your veterinarian will be able to assess your cat's overall health and provide guidance on the best course of action.

There are some medications and supplements that may interact with heartworm prevention medication, so it is important to disclose all medications and supplements your cat is currently taking to your veterinarian. Additionally, it is important to follow the recommended dosage and administration instructions for the heartworm prevention medication to ensure its efficacy and safety.

In summary, heartworm prevention medication for cats is safe to use with other medications or supplements, but it is important to consult with your veterinarian and follow their guidance to ensure your cat's overall health and well-being.

What is the most effective heartworm prevention medication for cats?

As a content writer, I understand the importance of keeping our furry friends healthy and safe. Heartworm prevention is a crucial part of a cat's health routine, and choosing the right medication can be overwhelming. The most effective heartworm prevention medication for cats is a monthly topical solution called Revolution. Revolution not only prevents heartworms but also protects your cat against fleas, ticks, ear mites, and other parasites. It's easy to apply and is safe for cats over eight weeks of age. Revolution works by targeting the heartworm larvae before they become adult worms, preventing them from causing damage to the heart and lungs. It's essential to consult with your veterinarian to determine the appropriate heartworm prevention medication for your cat based on their age, weight, and health history. Remember, prevention is always better than treatment, and keeping your cat on a regular heartworm prevention schedule can save their life.

Leave a Comment