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Parasite Prevention

Protect your pet from fleas, ticks, heartworms, and more with year-round parasite prevention plans.

Parasite Prevention: Protecting Your Pet Inside and Out
Parasites may be small, but the problems they cause can be serious. Fleas, ticks, heartworms, and intestinal parasites not only make your pet uncomfortable,
but they can also lead to major health issues if left untreated. That’s why parasite prevention is a cornerstone of responsible pet care.

At our clinic, we take a proactive approach to help keep your pet safe, healthy, and itch-free year-round.

Why Parasite Prevention Matters

Parasites are more than a nuisance. Some carry diseases that affect your pet’s organs, immune system, and even your family. Others, like intestinal worms, may go unnoticed until your pet shows signs of illness.

Preventive care helps avoid:

  • Itchy, irritated skin

  • Allergic reactions (especially to flea bites)

  • Transmission of Lyme disease, ehrlichiosis, and other tick-borne illnesses

  • Intestinal upset, weight loss, or anemia from worms

  • Potentially fatal heartworm disease

  • Risk of zoonotic transmission (parasites that spread to humans)

With the right plan in place, most of these issues are entirely preventable.

Common Parasites We Guard Against

External Parasites

  • Fleas – cause skin issues and may lead to flea allergy dermatitis

  • Ticks – can transmit serious diseases with just one bite

  • Mites – microscopic pests that lead to ear infections and mange

Internal Parasites

  • Roundworms, hookworms, tapeworms, whipworms – live in the intestines and can cause digestive problems, especially in puppies and kittens

  • Heartworms – transmitted by mosquitoes, heartworms grow inside the heart and lungs and can be life-threatening if untreated

Prevention Options We Offer

We tailor parasite prevention based on your pet’s lifestyle, age, and regional risks. Options include:

  • Monthly chewable or topical preventives

  • Routine deworming (especially for puppies, kittens, or outdoor pets)

  • Annual fecal exams and heartworm testing

Many of today’s preventatives offer broad-spectrum protection—one dose can cover multiple parasites.

What to Watch For

  • Scratching or biting at the skin

  • Scooting or licking around the rear

  • Visible worms in stool or vomit

  • Lethargy, coughing, or changes in appetite (potential signs of heartworm)

If you notice any of these symptoms, it’s best to schedule an exam right away.


Parasite prevention is simple, affordable, and highly effective. Staying consistent with your pet’s prevention plan protects not only their health—but also your household.

💙 Whether it’s a checkup, questions, or care needs, visit us—we’re here to be your partner in your pet’s health.

Frequently Asked Questions

Answers to Our Most Asked Questions

Yes. We offer boarding for both cats and dogs.

Yes, Hanover Veterinary Clinic is welcoming new patients and offering a free first exam for new clients.

Hanover Veterinary Clinic accepts cash, major credit and debit cards as well as financing options such as Care Credit.

Yes. Hanover Veterinary Clinic is a full-service animal hospital that takes emergency cases in addition to routine medical, surgical, and dental care.

We are located at 391 N Main St in West Lebanon, NH.

At Hanover Veterinary Clinic, we are a full-service veterinary clinic providing comprehensive care for your pet. Our services include wellness exams, vaccinations, dental care, spaying and neutering, surgery, and diagnostics. Please contact us for more information on specific services.