Heartworm disease is a serious and potentially fatal condition that is extremely common, and poses a life-threatening risk to Man’s Best Friend. However, many pet owners are unaware of its dangers until it’s too late. It’s crucial for pet owners to know about the risks of heartworms and how they can endanger your furry companion. In this article from Lanoka Oaks Veterinary Center, your Lanoka Harbor, NJ animal clinic, a local vet goes over some of the information you need to keep your pets safe and healthy. In this blog, we’ll cover what you need to know about heartworm disease, including the signs, prevention strategies, and available treatment options for both dogs and cats.

What is Heartworm Disease?

Heartworms are a parasitic worm, Dirofilaria immitis, that is transmitted through the bite of an infected mosquito. Once inside your pet’s body, the worms can grow up to a foot long and lodge themselves in the heart, lungs, and blood vessels, leading to severe complications. Over time, the worms can damage the heart and lungs, causing symptoms like coughing, fatigue, and even organ failure.

While dogs are the primary host for heartworms, cats can also become infected. However, heartworms tend to be less numerous in cats, and they may not show symptoms immediately, which makes the disease even harder to detect in our feline friends.

Heartworm Disease in Dogs: Signs and Prevention

In dogs, heartworm disease can cause a wide range of symptoms that will become more severe as the disease progresses. Recognizing the signs of heartworm disease early is essential to managing the condition.

Symptoms of Heartworm Disease in Dogs

The signs of heartworm disease in dogs can vary. However, there are some common symptoms. These include:

• Coughing: A persistent, dry cough is one of the first signs of heartworm disease in dogs.
  
• Fatigue and Weakness: Your dog may tire easily or seem lethargic, especially after exercise.
  
• Loss of Appetite: Infected dogs may lose interest in food and appear less energetic than usual.
  
• Difficulty Breathing: As the disease progresses, dogs may have trouble breathing due to lung damage.
  
• Swollen Abdomen: This can occur if heartworms cause fluid buildup in the abdomen, also known as ascites.

Learn more about heartworms and associated symptoms at the American Heartworm Society here.

Heartworm Prevention for Dogs

The good news is that heartworm disease is preventable. The best way to protect your dog from heartworms is through heartworm prevention medication. These medications come in various forms, including chewables, topicals, and injections, and should be administered regularly as recommended by your vet.

It’s important to start heartworm prevention early and continue it year-round, even if your dog isn’t showing symptoms. Some heartworm preventives also protect against other parasites, like fleas and ticks, making them a great choice for overall pet health.

Treatment Options for Heartworm Disease in Dogs

If your dog is diagnosed with heartworm disease, the treatment process can be lengthy and costly. The primary treatment involves a series of injections to kill the adult heartworms, followed by several months of rest to allow your dog’s body to recover. In severe cases, surgery may be required. Fido may also have to have his movements restricted, perhaps being kenneled for a long time. Needless to say, that’s not much fun for a dog. 

Early detection is key to successful treatment. That’s why regular heartworm testing is recommended, even for dogs that are on heartworm prevention.

Heartworm Disease in Cats: Symptoms and Prevention

Although cats are less likely to develop heartworm disease than dogs are, it’s still a serious threat. Cats can harbor adult heartworms, but because they are typically fewer in number than in dogs, the symptoms might not be as obvious. Additionally, cats are more likely to experience an inflammatory reaction in the lungs, which can result in respiratory distress. However, even a single worm in a cat can be fatal.

Symptoms of Heartworm Disease in Cats

The symptoms of heartworm disease in cats can mimic those of other illnesses, making it difficult to diagnose without veterinary testing. Common signs in cats include:

• Coughing or Wheezing: While not as common as in dogs, coughing or wheezing is a potential sign of heartworm disease in cats.
  
• Vomiting: Some cats may vomit, especially if they have a respiratory reaction to the heartworms.
  
• Loss of Appetite: Cats infected with heartworms may lose their appetite and appear lethargic.
  
• Respiratory Distress: Severe cases can cause difficulty breathing, rapid breathing, or open-mouth breathing.
  
• Sudden Death: In some cases, heartworm disease in cats may cause sudden death, especially in severe cases of pulmonary inflammation.
  

Prevention of Heartworm Disease in Cats

While there is no specific treatment for heartworm disease in cats like there is for dogs, prevention is still possible. Monthly heartworm prevention medications are available for cats, usually in the form of chewables, topicals, or injectable treatments.

Because the risk of infection in cats is lower, many cat owners may not consider heartworm prevention. However, it’s still important to discuss it with your vet, especially if your cat spends time outdoors or in areas with a high mosquito population.

Pet Heartworm Treatment Options: What You Need to Know

While the treatment for heartworm disease is well-established for dogs, there is currently no approved treatment for adult heartworms in cats. Treatment typically focuses on managing symptoms, including anti-inflammatory medications and supportive care.

However, preventing heartworm disease in both dogs and cats is the most effective way to avoid the need for treatment. Consistent use of preventives, regular testing, and minimizing your pet’s exposure to mosquitoes are the best ways to ensure your pet stays heartworm-free.

PetMD has an article explaining the various options for heartworm treatment here.

FAQ: Heartworm Disease in Pets

What are the signs of heartworm disease in dogs?

Common signs of heartworm disease in dogs include coughing, fatigue, loss of appetite, difficulty breathing, and swollen abdomen. Early detection is important to begin treatment as soon as possible.

How do I prevent heartworm disease in my pet?

Heartworm prevention for dogs and cats is simple and effective. Talk to your veterinarian about year-round heartworm preventives, which come in various forms including chewables, topicals, and injectables.

Can heartworm disease be treated in cats?

While there is no approved treatment for heartworms in cats, heartworm disease can be managed by providing supportive care and focusing on symptom relief. Prevention is the best option.

How often should my dog be tested for heartworms?

Even if Fido is on heartworm prevention, he should be tested annually to ensure that the prevention is working and that he can remain heartworm-free. It’s also important to realize that the treatments that prevent infestations do not kill live worms.

Contact our Lanoka, NJ Veterinary Clinic

Heartworm disease is a serious concern for both dogs and cats, but with proper prevention, it is entirely avoidable. At Lanoka Oaks Veterinary Center, your Lanoka Harbor, NJ pet clinic, we are committed to keeping your pets safe and healthy by providing the best heartworm prevention options and care. If you’re concerned about your pet’s risk of heartworm disease, don’t wait—schedule an appointment with us today.

Are you looking for a trusted Lanoka Harbor, NJ vet clinic? You can try looking for a vet near me, or simply call us. We are here to help with all your pet’s heartworm prevention needs.

Visit our Services page here to find out more about our clinic and the pets we treat. You can also learn more about our Emergency service options here, or our Wellness & Vaccinations offerings here.

This blog is meant to be informational only. Always consult with your veterinarian for the right medical advice, diagnosis, or treatment plan for your pet and follow their advice.