Signs, Symptoms, and Prevention Tips for Heartworm in Pets | PetSmart Veterinary Services

Heartworm disease is a serious but preventable condition that can affect pets. In this video, our PetSmart veterinary expert Dr. Greg explains how heartworm spreads, what symptoms to watch for, and why year-round prevention is key to keeping your pet safe. Just one mosquito bite can transmit heartworm larvae, and symptoms often don’t appear until the disease is advanced. You’ll learn how veterinary blood testing is the only reliable way to diagnose heartworm, what heartworm signs look like in dogs and cats, and why monthly preventive medication is far safer and more affordable than treatment. Timestamps 0:12 How heartworm spreads 0:43 Common signs of heartworm 0:55 Signs of heartworm in cats 1:05 The importance of year-round heartworm prevention ✔️ How heartworm spreads to your pet ✔️ Signs and symptoms in dogs and cats ✔️ Why heartworm prevention is safer than treatment Subscribe for more expert pet care, grooming, and wellness tips from PetSmart. Find a PetSmart Veterinary Service near you: https://www.petsmart.com/pet-services/petsmart-veterinary-care.html