Key Takeaways

Heartworm or cardiac filariasis is a parasite that lives in a dog's heart and lungs for years without symptoms — until the damage. Free WhatsApp consultation.

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Heartworm in Dogs: A Dangerous Disease Rarely Known in Indonesia

20 November 2025

1 min read

Heartworm in Dogs: A Dangerous Disease Rarely Known in Indonesia

Imagine a worm 15–30 cm long living inside your dog's heart and pulmonary blood vessels for years — and your dog appears perfectly healthy until it suddenly collapses. That's heartworm.

Prevention: Easier and Cheaper Than Treatment

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Monthly Oral Medication

Ivermectin (Heartgard) or milbemycin oxime. Given every 30 days. Available through a vet.

Spot-on / Injection

Moxidectin spot-on or 6-monthly injection. More practical for dogs difficult to give oral medication.

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IMPORTANT: Medical Disclaimer

This educational content is not a substitute for a veterinary examination. For diagnosis and treatment, consult a licensed veterinarian directly. Chat with drh. Arif via WhatsApp for a free 5-minute consultation.

Frequently Asked Questions

Is heartworm common in Indonesia?

Yes. Indonesia is an endemic area for Dirofilaria immitis (heartworm) due to its tropical climate that supports mosquito vector populations year-round. Unfortunately, awareness among dog owners about heartworm remains very low compared to other Southeast Asian countries like Thailand and Malaysia.

How does heartworm prevention medication work?

Heartworm preventive drugs (ivermectin, milbemycin oxime, moxidectin) work by killing early-stage heartworm larvae that entered the dog's body through mosquito bites in the past 30 days. These medications do not kill adult worms — which is why monthly administration without gaps is essential.

Can cats also get heartworm?

Yes, but less commonly than in dogs. In cats, heartworm causes a condition called HARD (Heartworm Associated Respiratory Disease) — symptoms similar to asthma or bronchitis. Unfortunately there is no safe heartworm treatment for cats, making prevention the only option.

Medically Reviewed by

Birawa Vet Medical Team

This article has been verified by our medical team to ensure veterinary information accuracy.

Medical Disclaimer

The information in this article is for general educational purposes only and is not a substitute for direct consultation with a veterinarian.

Every pet has unique conditions. Do not hesitate to seek professional help if your pet is sick.