Do Dogs Need To Take Heartworm Prevention Medicine Monthly?

by | Last updated on January 24, 2024

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Heartworm preventative medications work by killing any larvae over the last month, which is why

it is administered monthly

. This is also why it's so important to stick with the schedule recommended by your vet.

Should Heartgard be given monthly?

HEARTGARD Tablets

should be given at monthly intervals during the period of the year when mosquitoes (vectors), potentially carrying infective heartworm larvae, are active

. The initial dose must be given within a month (30 days) after the first exposure to mosquitoes.

How often do dogs really need heartworm meds?

Heartworm disease can be prevented in dogs and cats by giving them medication

once a month

that also controls various internal and external parasites. Heartworm infections are diagnosed in about 250,000 dogs each year.

Do dogs always need heartworm medicine?


Yes, it's possible to protect your dog without harmful drugs

. Even in places where mosquitoes are bad. It might not be as simple as giving that tasty heartworm chew every month … but it's a lot safer for your dog! Again, remember, the goal of heartworm meds is to kill the larvae before they grow up.

Should I give my dog heartworm medicine in the winter?

As winter descends upon New England in full force, more and more dog owners ask us if we recommend continuing through the winter months. The short answer is yes.

The American Heartworm Society recommends year-round heartworm prevention

, and we agree.

What monthly medications do dogs need?

For dogs we recommend a monthly pill (either

Trifexis or Sentinel

) and for cats we recommend a topical medication called Revolution. These medications also prevent intestinal parasites and fleas.

How long can a dog go without heartworm pills?

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 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.

Is there a natural way to prevent heartworms in dogs?

They can be controlled naturally with

citrus oils, cedar oils, and diatomaceous earth

. Dogs needing conventional treatment may benefit from herbs such as milk thistle and homeopathics such as berberis; these minimize toxicity from the medications and dying heartworms.

Is NexGard given monthly?

NexGard is a tasty beef-flavoured chew that provides flea, tick and mite protection for dogs. NexGard protects dogs against brown dog ticks, bush ticks and the potentially deadly paralysis tick.

NexGard should be given monthly all year round

in areas where paralysis ticks are found.

Can you give 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.

What happens if you give your dog two heartworm pills in one month?


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.

Is a heartworm test necessary?

In a word, yes.

Heartworm testing is very important to the health of your dog

. If your dog is heartworm positive and you put it on certain types of heartworm preventative, it could have detrimental effects, including death.

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.

Can you get heartworm medication over the counter?

Purchasing Medications Without a Prescription.

All effective heartworm medications require a prescription in the United States

. It is illegal to obtain an FDA-approved prescription medication without a prescription.

Do you need to give Heartgard year round?

Therefore,

the safest recommendation is to use heartworm prevention and protect your pet year round

; and to have your pet tested every 12 months. Most heartworm products that have been approved and tested by the FDA also contain a medication for common intestinal parasites that are contracted via the environment.

Is Nexgard needed in winter?

Is Tick and Flea Medication Necessary in the Winter?

Yes

. Though many species of ticks and fleas are slowed down or dormant during the winter, certain areas of the United States are not cold enough to truly kill these parasites and stop their activity.

What months do dogs need flea and tick medicine?

Flea and tick season will start with the onset of spring in

late March to early April

. However, depending on how far south you go, it may end in either November or December according to when the temperatures drop for winter.

What to do if you cant afford heartworm treatment?

If owners can't afford treatment at the time of diagnosis, Dr. Herrin recommended

delaying melarsomine therapy but still initiating treatment with both a preventive and doxycycline

. This will prevent further infection and remove the dog as a heartworm reservoir.

How can I get heartworm prevention without going to the 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 happens if you forget to give your dog heartworm medicine?

If it has been less than two weeks since the missed dose,

give your dog the dose immediately

. If it has been over two weeks since the missed dose, contact your vet, who will likely advise you to resume normal dosing next month and have the dog tested for heartworm in six months.

Can a dog get heartworm in the winter?


Yes, dogs can get heartworms in the winter

. As heartworm larvae spread through mosquito bites, some people believe dogs can't get heartworm in the winter, as mosquitoes are inactive. However, according to the Food and Drug Administration (FDA), it's essential you deworm your dog year-round.

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.

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.

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.

How much does a heartworm test cost?

Grooming

8

$30 – $500 annually
Cat or Dog vaccinations

1

$10 – $100
Routine vet checkup

10

$45 – $55
Cat or Dog allergy test

11

$195 – $300 (skin test), $80-$200 (blood test)
Heartworm test

11


$45 – $50

When should a dog get a heartworm test?

Remember, the best offense against heartworm disease is a good defense. Follow AHS recommendations and Think 12 : give heartworm preventives 12 months a year and test your pet

every 12 months

.

Emily Lee
Author
Emily Lee
Emily Lee is a freelance writer and artist based in New York City. She’s an accomplished writer with a deep passion for the arts, and brings a unique perspective to the world of entertainment. Emily has written about art, entertainment, and pop culture.