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Heartworm Disease

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Dogs

About this condition

A serious disease caused by heartworm larvae transmitted by mosquitoes that settle in the pulmonary artery and heart. Regular preventive medication can prevent it, but treatment after infection carries significant risk.

Common symptoms

  • Coughing
  • Reluctance to exercise
  • Difficulty breathing
  • Abdominal distention
  • Sudden death in severe cases

Common causes

  • Infection with heartworm larvae transmitted by mosquitoes
  • Missed doses of preventive medication

Prevention (husbandry & daily care)

Monthly heartworm preventive medication (May-December in Japan), regular blood testing.

Related species guide

Browse the species guide for this animal

When to see a vet

See a vet as soon as possible

What treatment does a vet provide?

A veterinarian will confirm the extent of infestation through blood testing and imaging, then develop a treatment plan that accounts for the risks involved. Strict rest management and regular monitoring are maintained throughout treatment.

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