noun
- parasitic roundworms that infect the heart and blood vessels of dogs, cats, and other mammals, transmitted by mosquitoes
Usage: veterinary; plural form
Examples
- The veterinarian recommended monthly heartworm prevention medication for our dog.
- Heartworms can cause serious damage to a pet’s heart and lungs if left untreated.
- The blood test revealed that the rescue dog was positive for heartworms.
- Mosquitoes spread heartworms from infected animals to healthy ones.
- Treatment for heartworms in dogs can be expensive and lengthy.
- Regular heartworm testing is essential for maintaining your pet’s health.