Why Year-Round Flea, Tick, and Heartworm Prevention Is Essential for Pets

When the weather cools down, many pet owners assume that fleas, ticks, and mosquitoes disappear until spring. Unfortunately, these parasites are far more resilient than we give them credit for. Even during winter months, they can survive in warm microclimates (inside your home, under decks, in garages, or in wooded areas). That’s why year-round prevention is the safest option for dogs and cats alike.

The Dangers of Parasites

Fleas: More than an itchy nuisance, fleas can lead to anemia in puppies and kittens, transmit tapeworms, and trigger painful skin infections from scratching.

Ticks: Beyond Lyme disease, ticks spread ehrlichiosis, babesiosis, and anaplasmosis—illnesses that can be difficult and costly to treat.

Heartworm disease: Spread by mosquitoes, heartworms lodge in the heart and lungs, causing progressive, life-threatening damage. Treatment is not only dangerous for your pet but also much more expensive than prevention.

Why Skipping Doses Isn’t Safe

Even missing just one dose of flea, tick, or heartworm prevention can leave your pet vulnerable. It takes only one infected mosquito bite or one tick attachment to cause disease. Since we can’t predict when parasites will be active, consistent coverage is the only way to ensure your pet stays protected.

Protecting Pets Indoors and Outdoors

Indoor-only pets aren’t immune. Fleas and mosquitoes easily sneak indoors.

Travel matters. If you vacation in a warmer climate with your pet, exposure increases dramatically.

Wildlife exposure. Squirrels, rabbits, and raccoons often carry fleas and ticks right into your yard.

How Your Vet Can Help

At Cornerstone Veterinary Clinic, we’ll help you choose the safest, most effective preventive medications for your pet’s unique needs. Options include topical treatments, oral medications, and long-lasting injectables. We’ll also help you spot early signs of trouble through wellness visits, before small problems become big ones.

Keeping your pet safe from parasites starts with consistent prevention. If you’re unsure which product is right for your pet or need to refill their prescription, our team is here to help. Call us today or book an appointment online to protect your pet year-round.