Treatment FAQ

what should i watch for in my dog after heartworm treatment

by Adriana Hoppe Sr. Published 2 years ago Updated 2 years ago

  1. Medication. You will need the following medication for your dog post-heartworm treatment. Antibiotics: Secondary infection is a possibility during recovery after heartworm treatment in dogs.
  2. Rest. We must emphasize this again. Please and please enforce rest for your dog’s sake and yours. ...
  3. Keep His Environment Stable. Your dog’s immediate environment must be dry and stable. ...
  4. Observation. You must keep a close eye on your dog so you’d be able to notify your vet immediately you suspect something is wrong.
  5. Go Back To The Hospital. Two weeks after the injection has been administered, you’d have to return to your vet for a blood test.

Delayed treatment may result in heart failure and/or permanent damage to the liver, lungs, and kidneys with eventual death. The signs of heartworm disease which you are most likely to notice include coughing, sluggishness, rapid tiring, and labored breathing.

Full Answer

Do dogs fully recover from heartworm?

While prevention is always the preferred way to protect pets from parasites, infected dogs can fully recover. Heartworm treatment for dogs is available, but prevention is the best way to protect your pup against these parasites. Photo: wunderBILDlich

Can a dog with heartworm survive with treatment?

The American Heartworm Society has guidelines for developing this plan of attack. Dogs with no signs or mild signs of heartworm disease, such as cough or exercise intolerance, have a high success rate with treatment. More severe disease can also be successfully treated, but the possibility of complications is greater.

What is the survival rate of dogs with heartworms?

What is the survival rate for dogs with heartworms? While most dogs (about 98 percent) treated with heartworm disease will clear the infection and not require additional treatment, there is the chance that a second round of medication is needed.

Does your dog really need heartworm medication?

Yes, you still need to give them the pill. If your dog is outside at all they need it. Heartworm isn't something to mess around with, the treatment for that is weeks of medication and bed rest. $130/year is nothing compared to how much it would cost to treat it, and is pretty cheap for Trifexis ($20/month here).

What should your dog not do for awhile after heartworm treatment?

“Only slow, low-impact walks are allowed for the first five to six months after diagnosis,” Dr. Marteney told The Dodo. “No running, jumping, playing or high-impact exercise as these activities may cause the worms to break loose and cause significant harm to the pet being treated.”

How long does it take for a dog to recover from heartworm treatment?

There should be no physical activity for 6 weeks or until cleared by the veterinarian. No play, no running. Active dogs that have a hard time resting after treatment, may be prescribed calming meds during recovery. The recovery period is a great time to train the brain.

How long does it take for heartworms to dissolve after treatment?

Once treated, the heartworms die slowly and begin to dissolve, taking several weeks. Three to four weeks later, your dog will begin phase two to get rid of the baby heartworms.

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.

Can my dog go on walks after heartworm treatment?

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 live a normal life after heartworm treatment?

Dogs in this advanced condition have a life expectancy of only a few weeks or months. Thankfully, a new medication has been developed for killing adult heartworms while having fewer dangerous side effects.

What should I watch after heartworm injection?

There may be some muscle soreness in his/her lower back as a result of the injections administered in this area for the heartworm treatment. The soreness usually resolves within 3-7 days after the treatment. Please administer the prescribed medication to relieve the discomfort.

When should I take my dog to the vet after heartworm treatment?

How long after heartworm treatment can a dog be active? According to Dr. Marteney, your dog will have to wait about six months after his diagnosis before he can get back to all his favorite activities.

Why do dogs need rest after heartworm treatment?

Many dogs will also be treated with an antibiotic (doxycycline), to combat potential infection with bacteria (Wolbachia) that inhabit the heartworm. "Complete rest is essential after treatment." Complete rest is essential after treatment. The adult worms die in a few days and start to decompose.

Why do dogs need to be calm after heartworm treatment?

Why does my dog need to be kept quiet during heartworm treatment? Killing the heartworms that live in the dog's bloodstream is essential to restoring your dog's health, but at the same time, the death of the worms—which can grow to be a foot long or longer—poses risks.

Do I have to crate my dog after heartworm treatment?

Most veterinarians recommend that the dog stays in a crate or kennel for the first four weeks of treatment at a minimum. After treatment is complete, the dog will also have to remain inactive for another month before you can slowly begin reintroducing activity.

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

After living in the mosquito for 1-2 weeks, the microfilaria is injected into another dog when the mosquito feeds. It takes about six months for the heartworm to reach adulthood after infecting the dog.

How long after heartworm injection do you need to return?

Two weeks after that injection, you will need to return for a blood test. If that test indicates that all heartworms have been destroyed, we will prescribe heartworm preventive medication for you to start to prevent reinfection. Since the drugs used to treat heartworms can be toxic to the pet, it is important that we take all precautions to prevent heartworm reinfestation in your pet.

How long does it take for worms to kill in dogs?

Following treatment, complete is needed to prevent lung damage from the dead, decomposing worms for 6-8 weeks. The microfilaria will be killed with an injection approximately 4-6 weeks after treatment to rid the dog of the adult heartworms.

How do you know if you have heartworms?

The signs of heartworm disease which you are most likely to notice include coughing, sluggishness, rapid tiring, and labored breathing.

How long does a dog stay in the hospital?

The dog may be required to stay at the hospital for 3-4 days.

What happens if a dog is delayed in treatment?

Delayed treatment may result in heart failure and/or permanent damage to the liver, lungs, and kidneys with eventual death.

Can heartworms be treated in dogs?

We have a very high degree of success in treating heartworm disease when we get an early diagnosis, before severe heart damage has taken place. Physical examination and laboratory testing will determine whether or not your pet should undergo treatment once heartworms are diagnosed.

What to expect after heartworm treatment?

Handling Heartworm Treatment and what Dog Behaviors to expect following Immiticide. Limited Activity: After treatment, your dog will likely display behavioral symptoms of discomfort and have a limited appetite. It is advisable to keep activity levels low after heartworm treatment, but your dog’s behavior may already indicate this.

How does heartworm treatment work?

The heartworm treatment is delivered in parts. The first stage of treatment is aimed at the adult heartworm. Once they have been killed, the next dose is aimed at the larva. The next stage is waiting for the dead worms to dissolve into the dog’s bloodstream. Observation: Closely monitor your dog to see how they are reacting to ...

How does heartworm get into dogs?

The heartworm is passed to dogs through mosquito bites; the mosquito bites an infected dog and carries the larva which is then deposited in the next dog that it bites. Successful treatment is possible for dogs suffering from heartworms although there needs to be limited active dog behavior after the immiticide treatment to prevent ...

Is heartworm a parasite?

The heartworm is a parasite that is deadly to dogs. Prevention is better than cure where the heartworm is concerned, especially as there is the possibility of changes in dog behaviors after heartworm treatment. Some dogs have been reported to suffer side effects from the treatment. The heartworm is passed to dogs through mosquito bites;

Can heartworm treatment make a dog sleepy?

Ensure that you complete the treatment regardless of the type of dog behaviors after heartworm treatment that your dog may display. There have been reports of dogs that become sleepy and withdrawn, others retain their regular behavior. The heartworm treatment is delivered in parts.

Can heartworms cause complications in dogs?

The mass of dead heartworms is likely to block up an artery and cause more complications in your dog. To avoid this happening, if necessary, keep your dog confined to manage dog behavior after immiticide treatment.

Can heartworms be treated with a vet?

As with any kind of treatment, it is advisable to thoroughly discuss the treatments options for heartworm infestation with your vet. Also, the seriousness of the infestation may vary, so it’s important that you are clear with the possible outcome and management of the situation.

How long after heartworm injection can dogs rest?

It can take several months for the heartworms to be reabsorbed into the patient's bloodstream. Most post-treatment complications arise from these fragments of decomposing heartworms, so to minimize this risk your dog must not be allowed to exercise and should be kept as quiet as possible for the first month following treatment. For seven to eight weeks following injection, a cough will be noticeable. If this cough persists beyond this or is especially severe, as well as if your dog is demonstrating shortness of breath or fever, contact your veterinarian right away.

How long does a dog live with heartworm?

Dogs in this advanced condition have a life expectancy of only a few weeks or months.

How does heartworm spread?

Heartworm is spread through the bite of an infected mosquito, which can pass a parasitic worm called dirofilaria immitis into a dog's bloodstream. Heartworm is not contagious, and cannot be passed from one host dog to another, it is only through Mosquito bites that heartworm passes. Do not make the mistake of thinking that means the risk of heartworm is low; heartworm has been reported in all 50 states while being especially common between New Jersey and the Gulf of Mexico, as well as along the Mississippi River and its major tributaries.

What happens if a dog gets bitten by a mosquito?

If your pet is bitten by an infected mosquito, the worms will mature into adults, mate, and produce offspring while living inside your pet's heart, lungs, and blood vessels.

Does Melarsomine kill heartworms?

Thankfully, a new medication has been developed for killing adult heartworms while having fewer dangerous side effects. Melarsomine is an injectable drug that kills adult heartworms that is administered over the course of multiple injections. Typically your dog will be given a 30 day rest period after their first injection, after which they will receive two more injections 24 hours apart. Antibiotics will also be prescribed to combat any infectious bacteria the heartworms may be carrying. With this new medication, 95% of dogs with heartworms are now able to be successfully treated.

Can heartworms cause diarrhea in dogs?

Treatment for heartworm can cause serious complications for your pet's health and can be potentially toxic to the dog’s body. Many dogs experience soreness and swelling at the site of their injections. The most severe side effects are related to a large number of worms suddenly dying. You must contact your vet immediately if your dog is panting excessively, has difficulty breathing, is suddenly lethargic or collapses, begins to reject food, begins to vomit, or develops diarrhea.

What is the most important thing to do when a dog is going through heartworm treatment?

One of the most important aspects of a dog going through heartworm treatment is ensuring that they are comfortable. Since your dog will likely spend a lot of time lying down, it is important that they have access to a comfortable bed that is big enough. If your current dog bed is old or has loss some of its “fluff”, it might be worth it to buy a new one to ensure your dog is comfortable.

How to help a dog recover from heartworm?

Dogs pick up on their owner’s energy. A calm and stress-free dog-parent is the best thing for a dog while they recover from heartworm. Therefore, it is important that you keep calm and don’t overthink it too much. You can also watch a movie with your dog that helps you both stay relaxed.

How long should a dog be in recovery after heartworm treatment?

Dogs should have their activity constrained before treatment, during treatment, and for two months after treatment. A dog in recovery should not run or play during the initial period. Even after heartworm treatment is successfully completed, the dog should not go for long walks or engage in vigorous play for another month. Each affected dog needs to be given time to gradually build back its strength.

How to prevent heartworms in dogs?

To help prevent your dog from getting heartworms, you should always try to feed your dog a balanced and healthy diet. There are also plenty of heartworm prevention medications that your vet can prescribe. If your dog has issues with fleas, you should check out my article on the Best Natural Way to Keep Fleas Off Dogs.

What is the hardest thing to do after heartworm treatment?

The hardest challenge for heartworm treatment is that you need to keep your dog calm and relaxed. This is especially important for high-energy dogs. Here are some useful tips to manage dog behavior after heartworm treatment:

What is the most important aftercare for a dog with heartworm?

If your dog does have to undergo heartworm treatment, activity restriction is the most important aftercare step for dog owners to follow.

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

In a newly infected dog, it takes about 6 to 7 months for the infected larvae to mature into adult heartworms.

How long does it take for a dog to get heartworm treatment?

With minor variations, treatment of heartworm disease typically takes 2-5 months to complete. The most important thing you can do during the treatment is to restrict your dog’s physical activity to a bare minimum of short leash walks for bodily functions (urinat-ing, defecating) only.

How long after heartworm injection can you run?

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. All physical exertion must be stopped beginning the day of the first injection, 24 hours a day, for the full 8-week period, to reduce the risk of serious (life-threatening) heartworm-related problems.

Is heartworm a disease?

It is caused by Dirofilaria immitis, a worm that resides in the cir-culation (heart and lungs) of dogs and cats and is transmitted from animal to animal by mosqui toes.

Can dogs get heartworms?

Heartworm disease in dogs is no joke, and neither is the treatment for it.

Do puppies get green light to run?

But before you know it, your pup will get the green light to run and play again — just make sure you follow his lead to get him back into his old routine. We independently pick all the products we recommend because we love them and think you will too. If you buy a product from a link on our site, we may earn a commission.

Is heartworm treatment expensive for dogs?

Heartworm treatment for dogs is long, painful and expensive, so you can expect your pup will need a lot of rest and relaxation after.

Can a sedative help a dog?

Dogs love running and playing, so a prescription sedative could be useful when it comes to chilling your dog out.

Can dogs jump and run after heartworm treatment?

Since the treatment involves killing the heartworms while they’re still in your dog’s body, it’s crucial to make sure he’s inactive during and after treatment — meaning no running, jumping and playing.

How to keep a dog inactive during heartworm treatment?

One way to keep a dog inactive during heartworm treatment while also helping to reduce boredom is to invest in some quality long-lasting chew toys . Chewing helps a dog ease their stress and helps circumvent destructive tendencies.

What happens if my dog's heart rate rises during heartworm treatment?

If your dog’s heart rate rises during treatment, you put him at risk of developing potentially life-threatening blood clots. You may be wondering how to keep a dog inactive during heartworm treatment- after all, dogs are rowdy and rambunctious creatures! The best way to keep a dog still is to make sure your dog’s mind is engaged even ...

How many injections do you need for heartworms in dogs?

Only after the larvae die off can the adult heartworms be addressed. The treatment to get rid of adult worms requires 2 to 3 intramuscular injections. If the vet is following a 2-dose procedure, the dog will receive two injections 24 hours apart. If the dog needs a 3-dose treatment, they will get one injection initially and then ...

What to do when your dog is unable to exercise?

In addition to chewing toys, toys that require your dog to solve problems mentally will also help keep him busy while he is unable to exercise.

How to keep a dog still?

The best way to keep a dog still is to make sure your dog’s mind is engaged even when their body can’t handle active play. You can do this through a number of methods, such as by providing chew toys or keeping the dog in a peaceful, serene environment. (Side note: I am a member of the Amazon Associates program.

How long does a dog stay inactive after a syringe?

After treatment is complete, the dog will also have to remain inactive for another month before you can slowly begin reintroducing activity. Your veterinarian can explain how to safely reintroduce exercise into your dog’s routine after treatment and the initial month of inactivity.

What happens if my dog doesn't interact with me?

As dogs are extremely social creatures, if your dog does not receive appropriate interaction with you he can become depressed. This could negatively impact his health and his reaction to the treatment. Sit calmly on the floor with your dog since the last thing you want is for it to jump or run around after you.

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