Heartworm

Everything you need to know about heartworm medications for pets

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10 Myths About Heartworms

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Heartworm Disease in Dogs: Symptoms, Causes and Treatment

Michael Kearley, DVM

My Dog Has Been Diagnosed with Heartworm Disease. Now What?

Andy Moorhead DVM, American Heartworm Society

How Do Dogs Get Heartworm Disease?

Jenni Rizzo, DVM, President of American Heartworm Society

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4 Things to Know About Heartworm Tests for Dogs

Lindsay Starkey, DVM

How To Treat Heartworms in Dogs

Blue Brawner, DVM

Do Indoor Cats Need Heartworm Prevention?

W. Mark Cousins, DVM, DABVP

7 Best Heartworm Preventative Medications and Products for Dogs in 2025, Recommended by Vets

PetMD Vet Advisory Panel

Heartworm Disease in Cats: Symptoms, Treatment, and Prevention

Lauren Jones, VMD

Pyrantel Pamoate for Dogs and Cats

Amy Van Gels, DVM

Why You Need to Stay Current on Flea, Tick, and Heartworm Protection

Katy Nelson, DVM

How To Choose the Best All-in-One Heartworm and Flea Pill for Dogs

Natalie Stilwell, DVM, MS, PhD