How Likely Will Your Dog Get Heartworm?

by | Last updated on January 24, 2024

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The risk of a dog's being infected with heartworm disease each year is 250,000 out of 50,000,000; this translates to

one in 200

dogs becoming infected each year. The chance that you will be diagnosed with cancer this year is about one in 200—the same odds as a dog's acquiring heartworm disease.

How long does it take for a dog to get heartworms?

When the infected mosquito bites another dog, the mosquito spreads the infective larvae to the dog through the bite wound. In the newly infected dog, it takes about

6 to 7 months

for the infective larvae to mature into adult heartworms.

What are the first signs of heartworms in dogs?

  • Persistent cough. Unlike a regular cough or a kennel cough, which is strong and sporadic, a heartworm- related cough is dry and persistent. …
  • Lethargy. …
  • Weight loss. …
  • Difficulty breathing. …
  • Bulging ribs.

Does my dog really need heartworm prevention?

One of the most common questions heard by our veterinarians during an annual wellness exam is, “Does my pet really need ?” To put it simply:

yes! Even if your pet is considered “indoors-only,” all cats and dogs should be on a heartworm prevention medication.

Can a dog fully recover from heartworms?

It is crucial to take your dog to the veterinarian as soon as you notice any symptoms at all. Routine veterinary appointments are also always a must, even if your pet seems to be in perfect health.

Dogs can indeed recover completely from heartworm

, although the degree of the ailment has a lot to do with outcome.

How long can my dog go without heartworm medication?

Most of the monthly heartworm medicines have a safety factor of at least 15 days of protection if a dose is missed. This means that if you're just

a week or two late

, your pet is likely still within that window of protection and would be unlikely to become infected during that time.

Do heartworms shorten a dog's life?

This treatment does not actually kill the worms, however

it does decrease their lifespan

; keep in mind, however, that the average heartworm can live six years, so shortening that lifespan could still mean your dog having a heartworm infection for four more years.

How expensive is heartworm treatment?

The average cost of heartworm treatment for dogs is often

around $1,000

. However, it can range from $500 to $1,100 or even more depending mainly on the size of your dog, veterinary bills, and the stage of the disease.

Do dogs with heartworms breathe fast?

Panting, Shallow Breathing

Also, as the heartworms block vessels, the areas around these vessels will see fluid build-up, making it even harder for your dog to breathe and get oxygen, causing him to take more shallow, rapid breaths.

Should I adopt a heartworm positive dog?

Not every aspiring pet owner is equipped to provide the extra care a special-needs pet requires; however,

with proper treatment, heartworm-positive pets can be excellent candidates for adoption

.

Do dogs need heartworm test every year?


Annual testing is necessary, even when dogs are on heartworm prevention year-round

, to ensure that the prevention program is working. Heartworm medications are highly effective, but dogs can still become infected. If you miss just one dose of a monthly medication—or give it late—it can leave your dog unprotected.

Does my dog need heartworm medicine every month?

If at the initial test, your dog is found to have heartworms, treatment will be needed before prevention can begin. However,

if your dog is in the clear, he can be started on monthly medication to protect him from the disease.

Is it OK to skip heartworm medicine?

A:

Give the dose you missed immediately, then continue giving the medication on the day you've always given it

. If the missed dose is more than 2 weeks late, your dog should be tested for heartworm again in six months (click here to learn why).

How successful is heartworm treatment?

What is the treatment? There is some risk involved in treating dogs with heartworms, although fatalities are rare. “A new drug is available that does not have as many side effects, allowing successful treatment of

more than 95%

of dogs with heartworms.”

Can you walk a dog with heartworms?


Most dogs can be safely leash-walked during the treatment recovery period

and providing appropriate chew toys can help relieve some of that stored up physical energy.

Can dogs poop out heartworms?

Myth #3: If my pet has heartworms, I will see them in her feces. Although many worm types, such as roundworms and tiny hookworms, are shed in your pet's feces,

heartworms do not live in the gastrointestinal (GI) tract, and are not found in feces

.

Can I give my dog Heartgard every other month?

However, due to the heartworm life-cycle, it is likely that

giving the medication every 45 to 60 days

, rather than every 30 days, will allow immature heartworms to develop into adult heartworms. In other words, heartworm prevention medication is not effective when given every 45 to 60 days.

What if I accidentally gave my dog two heartworm pills?


If it was Heartgard, there is no cause for concern

. It is an extremely safe product and very difficult to overdose. If it was a different preparation of ivermectin, a double dose may not be cause for concern unless your dog is sensitive to it or carries the MDR1 gene.

How does a dog get heartworm?

Heartworms are

transmitted from an infected animal to your healthy dog through mosquitoes

. When an infected mosquito bites your dog, the mosquito can also pass on infective larvae. Over 6 to 7 months, these larvae develop into adult heartworms, causing severe health issues and potentially death.

What happens when a dog tested positive for heartworms?

During this time,

heartworm disease continues to progress and cause serious damage to your dog's blood vessels and organs

—damage that can be irreversible. 4. You'll be asked to restrict your dog's exercise.

Can my dog jump on the couch after heartworm treatment?


There is no reason to allow running, jumping, or other physical activity at any time for 8 weeks after the start of the injectable heartworm adulticide treatment

.

Are heartworm test results immediate?

Your veterinary clinic just needs a small sample of blood for detecting heartworm proteins in the blood of an infected dog.

Results of heartworm tests are obtained within 24 hours

so that if the test is positive, a treatment plan can be made for your pet immediately.

Can you do a heartworm test at home?


Using the WITNESS Heartworm Rapid Test is easy

. Just follow 3 simple steps. Add 1 drop of anticoagulated whole blood, serum or plasma to the sample well. Add 2 drops of chase buffer provided to the sample well.

How can I treat my dog for heartworms at home?

Continue to give heartworm preventatives monthly at home. Give the first injection of melarsomine to kill adult heartworms. Restrict exercise and closely monitor for side effects for the next 30 days. Give the second injection of melarsomine 30 days after the first.

Kim Nguyen
Author
Kim Nguyen
Kim Nguyen is a fitness expert and personal trainer with over 15 years of experience in the industry. She is a certified strength and conditioning specialist and has trained a variety of clients, from professional athletes to everyday fitness enthusiasts. Kim is passionate about helping people achieve their fitness goals and promoting a healthy, active lifestyle.