What to Expect During a Heartworm Test

Heartworm disease can be serious, but the good news is that testing is simple, quick, and incredibly important for your pet’s health. At Bixby Animal Clinic in Long Beach, CA, we want pet owners to feel confident and informed every step of the way. Knowing what happens during a heartworm test can help take the stress out of the visit, for both you and your pet.

A Simple Blood Test with Big Benefits

A heartworm test starts with a small blood sample. Our veterinarian uses this sample to look for proteins released by adult female heartworms. This type of test, called an antigen test, is reliable, fast, and typically provides results during the same appointment.

For dogs, annual testing is recommended even if they are on heartworm prevention year-round. Prevention is very effective, but no method is 100% perfect, and missing even one dose can leave pets vulnerable. Cats may also need testing depending on their risk and your vet’s guidance.

Why Heartworm Testing Matters

Heartworms can grow quietly inside a pet for months before symptoms become noticeable. By the time coughing, fatigue, or breathing issues appear, the disease may already be advanced. Early detection allows your veterinarian to create a treatment plan that protects your pet’s health and prevents complications.

Testing is also required before safely starting or restarting prevention medication. Giving preventives to a pet with an active infection can cause serious reactions, so testing is a crucial first step.

What Happens If the Test Is Positive?

If your pet does test positive, don’t panic, your care team at our animal hospital will guide you through the next steps. This may include additional tests to confirm the diagnosis and assess your pet’s health. From there, your veterinarian will create a treatment plan tailored to your pet’s needs.

Keep Your Pet Protected with the Help of Our Veterinarians Near You

Heartworm disease is preventable, and regular testing helps ensure your pet stays healthy year after year. If your pet is due for its annual heartworm test or you’d like to talk about the best heartworm prevention options, call (562) 426-4066 to schedule a visit with a vet near you at Bixby Animal Clinic in Long Beach, CA. Your pet’s heart health is always our priority.