Heartworm Prevention in Dogs

mosquito infected with Dirofilaria immitis

Heartworm prevention is critical for maintaining your dog’s health as heartworm is a serious, and potentially fatal condition caused by a worm parasite known as Dirofilaria immitis.

The parasite that causes heartworm is spread by mosquitoes. Just one bite from an infected mosquito is all it takes to infect your furry friend.

Through that bite, the mosquito can infect your dog with young heartworms, which will eventually grow up to 30 cm long and live in your dog’s heart and lungs.

The Impact of Heartworm on Dogs

The impact heartworms have on your dog includes:
  • damage to the heart, lungs and blood vessels, leading to heart failure
  • severe lung disease 
  • organ damage and 
  • death
Heartworm disease remains a risk and has been detected in all mainland states across Australia.

Heartworm Treatment for Dogs in Australia

The heartworm treatment program is very long, complex and expensive and can have serious complications associated with it. It’s why we cannot stress enough how important prevention is.

The specific treatment plan a dog would need varies. Ask our vets regarding a tailored plan for your dog.

Heartworm Symptoms

Infected dogs may show signs such as:
  • coughing 
  • fatigue
  • weight loss 
  • difficulty breathing 
  • a blue or purplish discoloration of the skin and gums
  • spitting up blood
  • fainting
  • nose bleeding and 
  • the accumulation of fluid in the abdominal cavity. 
However, in the early stages of infection, symptoms may be absent making prevention and regular testing critical.

Heartworm Prevention

Types of preventive medications;
  • Monthly oral medications
    • Many dog owners use monthly chewable tablets which are easy to administer.
    • These are only effective at preventing heartworm if given every month, without missing a dose!
    • Types of oral monthly heartworm treatments include Simparica TRIO & Nexgard Spectra.
  • Topical Treatments
    • Some medications are applied directly to skin and are absorbed in blood.
    • These are only effective at preventing heartworm if given every month, without missing a dose!
    • Examples of topical heartworm treatments include Advocate & Revolution.
  • Injectable medications
    • This is the most effective method of heartworm prevention as it provides year-round protection.
    • This injection (known as Pro-Heart SR-12) is given at the time of your pet’s annual vaccination, so you never miss a dose!
This can be beneficial if you have busy schedule or are prone to forgetting to administer monthly treatments at home.
an owner with a happy dog clear of heartworm

Regular Testing

Even if your dog is on preventive medication, we recommend annual heartworm testing. It is a quick blood test run in house and can be done at the time of your dog’s annual health check. 

This ensures that your ongoing prevention efforts are effective, and your dog hasn’t contracted the disease.

If your dog has not been on a regular preventive schedule, then testing must be performed prior to starting preventive heartworm treatment. Giving a preventative treatment to a heartworm positive dog can cause severe reactions.

Environment Control

Reducing your dog’s exposure to mosquitoes can help prevent heartworm. Keep them indoors, particularly in peak mosquito activity times like dawn and dusk. 

It is also important to eliminate any stagnant water around your home as this is where mosquitoes breed.

Set Reminders

Missing even a single dose of preventive medication can put your dog at risk of contracting heartworm. Setting reminders or using a treatment that matches your schedule can help ensure you never miss a dose.

Here at Lynbrook Vet, we can set reminders for you when you purchase your pet’s heartworm prevention through our practice. With competitive pricing and professional care, your dog will be in good hands and kept safe from heartworm infection.

Call 5902 7087 today!

Pro-Heart SR-12 Puppy Promotion

Did you know we offer your puppy’s first Pro-Heart SR-12 heartworm prevention injection for FREE?*

This injection is given from 12 weeks of age with a booster between 6 to 9 months of age (to accommodate their growth during this period). After this, the schedule continues annually, and aligns with your pup’s C5 vaccination schedule.

We also have great promotions on monthly flea, tick and worming treatments through our “Parasite Prevention with a Purpose” program. 

Purchasing your pet’s preventative treatment through our practice goes a long way as we not only provide you with competitive pricing and bonus products, but we also send the same treatments overseas to help treat dogs and cats suffering from nasty parasites.

Plus, proceeds from purchases go towards helping sick, injured and orphaned wildlife which presents to our practice in need of veterinary care.

*Whilst promotions are running

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Lynbrook Vet IconLynbrook Vet

14A/10-30 Northey Rd, Lynbrook

4.9 705 reviews

  • Local’s Avatar Local ★★★★★ a week ago
    It is honestly difficult to put into words just how genuinely beautiful Dr Daphne and the entire team are, both in heart and in mind.We have had difficulty finding a veterinary clinic that feels calm, polite, warm, welcoming, genuinely … More caring and knowledgeable, but from the moment we arrived, this practice felt completely different. There was such a lovely, peaceful atmosphere, and we never felt rushed, dismissed or treated like just another appointment.The team were incredibly well organised, very reasonably priced and, most importantly, they actively listened to us and took the time to understand the individual needs of our fur kids.With our relocation to Queensland, we needed both of our dogs assessed and given their tick prevention injections, which we had struggled to find another veterinary clinic in South East Melbourne offering. Dr Daphne and the team took the time to explain everything properly and make sure we understood what was needed to protect them once we move. Paralysis ticks are not just a concern in Queensland and New South Wales, and we were also made aware of the importance of prevention as their range continues to extend further south. It was wonderful to find a practice that offers the long-term tick injection, especially for pups who do not take particularly well to tablets.We also received fantastic advice about the possible risks associated with sporting club activities and the preventative measures we can take to help protect them from injury, as well as thoughtful guidance regarding their individual dietary requirements. We had previously fed our kids full Lyka meals but stopped purely because of the cost. A new understanding of the benefits of their meals helped us make an informed decision to reintroduce Lyka and use a half-Lyka, half-current-food approach so we can manage the cost while still giving them those nutritional and probiotic benefits.Our fur kids were also assessed for their fit-to-fly certificates. This was something we had been quite anxious about, particularly given that one of our kids was born deaf and knowing that the relocation and flights are going to be a stressful few days for them. The information, reassurance and practical advice we received gave us a much better understanding of what we can do before and after their flights to minimise their anxiety and support them through the whole experience.What impressed us most was the genuine care behind everything they did. Nothing felt transactional. They listened, explained, reassured and treated our fur kids as individuals.It is incredibly comforting to meet veterinary professionals who clearly have such beautiful hearts and who genuinely care about both the animals they treat and the people who love them.We are so grateful to Dr Daphne and the entire team and cannot recommend this practice highly enough.
  • induwara tharuneth’s Avatar induwara tharuneth ★★★★★ a week ago
    I’m really grateful for the care Joey received from the team. Everyone was so kind, caring, and patient, and they took the time to explain everything clearly and guide me through each step. It made a stressful situation feel so much easier.A … More special mention to Dr Angus he’s an absolute legend. He was professional, caring, and genuinely took the time to make sure Joey was looked after properly and that I understood everything. You can really see how much he cares about the animals he treats.I genuinely felt that Joey was in the best hands, and I couldn’t be happier with the care and service we received. I would wholeheartedly recommend this vet to anyone who wants their pet treated with genuine care, compassion, and respect. I wouldn’t hesitate to bring Joey back here again.
  • patricia noor’s Avatar patricia noor ★★★★★ a month ago
    Best vet...Took such good care of our sweet girl..Thank you.
  • Lakmal Liyanage’s Avatar Lakmal Liyanage ★★★★★ a month ago
  • Samantha Bortoli’s Avatar Samantha Bortoli ★★★★★ 2 months ago
    The team at Lynbrook Vet are absolutely amazing! They are extremely supportive, welcoming, and caring through everythingfrom routine check-ups to major procedures. You can truly tell they love what they do and care deeply about the animals. … More
  • Alexandra Robson’s Avatar Alexandra Robson ★★★★★ 2 months ago
    Great team of Vets and Staff who take care of our pets. Thanks team

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