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7 Best Heartworm Preventative Medications and Products for Dogs in 2025, Recommended by Vets
by
PetMD Vet Advisory Panel
How Do Dogs Get Heartworm Disease?
by
Jenni Rizzo, DVM, President of American Heartworm Society
Heartworm Disease in Dogs: Symptoms, Causes and Treatment
by
Michael Kearley, DVM
Pyrantel Pamoate for Dogs and Cats
by
Amy Van Gels, DVM

All Heartworm Articles

4 Things to Know About Heartworm Tests for Dogs
by
Lindsay Starkey, DVM
Do Indoor Cats Need Heartworm Prevention?
by
W. Mark Cousins, DVM, DABVP
My Dog Has Been Diagnosed with Heartworm Disease. Now What?
by
Andy Moorhead DVM, American Heartworm Society
Treating Heartworms in Dogs
by
Jennifer Coates, DVM
Heartworm Disease in Cats
by
Lauren Jones, VMD
Why You Need to Stay Current on Flea, Tick, and Heartworm Protection
by
Katy Nelson, DVM
10 Myths About Heartworms
by
PetMD Editorial
How To Choose the Best All-in-One Heartworm and Flea Pill for Dogs
by
Natalie Stilwell, DVM, MS, PhD