Is it really necessary to give your dog heartworm medicine?


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One of the most common questions heard by our veterinarians during an annual wellness exam is, “Does my pet really need heartworm prevention?” To put it simply: yes! Even if your pet is considered “indoors-only,” all cats and dogs should be on a heartworm prevention medication.

What month do you start heartworm pills?

The American Heartworm Society recommends that you start heartworm prevention for puppies at 8 weeks of age and keep them on it year-round.

At what age do dogs need Heartgard?

HEARTGARD Plus is recommended for dogs 6 weeks of age and older. For dogs over 100 lb use the appropriate combination of these chewables. ADMINISTRATION: Remove only one chewable at a time from the foil-backed blister card.

Can I start my dog on heartworm medicine without testing?

If a heartworm-positive dog is not tested before starting a preventive, the dog will remain infected with adult heartworms until it gets sick enough to show symptoms. Heartworm preventives do not kill adult heartworms. Also, giving a heartworm preventive to a dog infected with adult heartworms may be harmful or deadly.

How long can a dog go without heartworm pills?

Any time a dog goes more than six weeks without heartworm prevention the dog is at risk of infection. Dogs with mature infections (in which hearworms are mating and producing larvae in the bloodstream) may experience a shock-like adverse reaction to heartworm prevention.

Do dogs need to take heartworm pills year round?

Use Heartworm Prevention Medication Year-Round Treatment can vary, as oral, injectable or topical, depending on the animal species, but they all target heartworm larvae, not adults. That’s one reason veterinarians often recommend that pets receive heartworm prevention medication all year long.

What happens if you don’t give your dog heartworm pills?

If you don’t give your dog the medication every 30 days, the larvae will grow to a point where the preventive won’t be able to kill them anymore. If the larvae are not killed during this brief window, they are not susceptible to any known treatment until they are adults in about six to seven months.

What are the first signs of heartworms in dogs?

Signs of heartworm disease may include a mild persistent cough, reluctance to exercise, fatigue after moderate activity, decreased appetite, and weight loss. As heartworm disease progresses, pets may develop heart failure and the appearance of a swollen belly due to excess fluid in the abdomen.

Does heartworm treatment 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 do you prevent heartworms in dogs naturally?

  1. Feed a natural, raw meat-based, whole food diet (not kibble)
  2. Minimize vaccines.
  3. Use natural remedies instead of pharmaceutical drugs.
  4. Use natural flea and tick prevention.
  5. Don’t use chemicals in your home and yard.
  6. Give your dog fresh spring or filtered water.
  7. Give him plenty of exercise.

Does my dog need a heartworm test before Heartgard?

It is recommended by most veterinarians and by the manufacturers of the Heartworm medications that each dog have a test prior to receiving the medications each year, to ensure that the pet is free from Heartworm disease.

Is it OK to give heartworm pill early?

For this reason, heartworm prevention for dogs is by far the best option, and treatmentโ€”when neededโ€”should be administered as early in the course of the disease as possible.

Why is heartworm treatment so expensive?

The current drug of choice is Immiticide, and due to manufacturing issues, is difficult to obtain and as a result is expensive. In addition, the protocol to treat heartworm disease is very involved and has an extended course.

Can I give my dog heartworm medicine 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.

Can I get heartworm medicine without a vet?

Go to ABC Online Pharmacy (see resources) if you don’t mind using the generic brand of Heartgard. This will save you a lot of money over the course of a year, and the generic brand is known for being just as good as Heartgard. You don’t need a prescription since the company is based in Canada.

What is the safest heartworm prevention for dogs?

Conventional preventatives The two most common (and generally considered safe) heartworm preventative ingredients used today are ivermectin (used in Heartgard by Merial, and other products) and milbemycin oxime (used in Interceptor by Novartis).

Can you skip a month of heartworm medicine?

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.

What happens if you give Heartgard to a dog with heartworms?

Heartworm Preventative. The American Heartworm Society warns that giving heartworm medication to infected dogs can cause “rare but possibly severe reactions,” that can kill the animal. Heartworm preventative works by killing off any larvae in the dog’s system that enter via mosquito bites.

How late can you give heartworm medicine to dogs?

Less than 2 weeks: Give your dog the missed dose immediately. Your dog will be protected from heartworm disease because you will still be within the 45-day grace period in which the preventative is effective.

How late can you give Heartgard?

The final dose must be given within a month (30 days) after the dog’s last exposure to mosquitoes. When replacing another heartworm preventive in a heartworm disease preventive program, the first dose of HEARTGARD must be given within a month (30 days) after the last dose of the former medication.

How do dogs catch 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 to do if you cant afford heartworm treatment?

You should talk to your veterinarian and ask about all of your different options, and you could also try contacting rescue groups in your area to see if there are any that could help with heartworm treatment. You also may want to look into Care Credit (carecredit.com).

Can you see heartworms in dog poop?

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.

How long can a dog have heartworms before showing symptoms?

Heartworm signs in dogs tend to show up when the worm reaches maturity, typically around 6 months post-implantation. This preventable condition starts when a mosquito bites an animal that’s already infected with heartworm.

Do most dogs survive 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.”

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