This test checks for Dirofilaria immitis antigens in dogs' blood. It's essential in the U.S., especially in mosquito-prone regions. Early detection prevents complications like heart failure, coughing, and lethargy. Often recommended annually as part of routine wellness exams.

Q: What is a heartworm?
A: Heartworm is a parasitic worm that lives in the heart and lungs of infected dogs, transmitted through mosquito bites.

Q: Why is the Heartworm Antigen Test important?
A: It detects early infection, preventing severe health complications like heart failure or death.

Q: How is the test performed?
A: A small blood sample is collected from your dog and analyzed for heartworm antigens.

Q: How long does it take to get results?
A: Results are usually available within 1–2 business days.

Q: Can my dog have heartworms without symptoms?
A: Yes, many infected dogs show no signs early on. That’s why annual testing is recommended.

Q: Is the test painful for my pet?
A: No, it’s a quick and simple blood draw, just like routine testing.

Q: What if the test is positive?
A: Your vet will recommend additional tests like X-rays and start appropriate treatment.

Q: How often should my dog be tested?
A: Once a year, even if your dog is on heartworm prevention medication.

Q: Can heartworm affect cats too?
A: Yes, but testing in cats is more complex. Antigen tests are mainly for dogs.

Q: Can I prevent heartworm?
A: Yes, with monthly preventive medications prescribed by your vet.

Q: Is this test included in wellness packages?
A: In many vet clinics, yes — especially in high-risk areas.

Q: What is the cost of treatment if my dog is positive?
A: Treatment can be expensive ($500–$1500+), so prevention is highly recommended.

Q: Can my indoor dog get heartworms?
A: Yes, because mosquitoes can enter homes. No dog is completely safe.

Q: Are false positives common?
A: Rarely — antigen tests are generally accurate but can miss very early infections.

Q: Should puppies be tested too?
A: Puppies under 6 months may not need testing if started on preventives immediately.