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Heartworm Prevention in Stockton, CA

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It only takes one mosquito bite to put your pet at risk for heartworm disease, a potentially fatal condition that damages the heart, lungs, and blood vessels over time. Stockton’s warm summers and irrigated farmland create ideal breeding conditions for mosquitoes, which means heartworm exposure is a year-round concern for local pets.

At Venetian Pet Hospital, we believe preventing heartworm disease is one of the most important things you can do for your pet’s long-term health. Our team works with you to build a simple, affordable prevention plan that fits your pet’s needs and gives you peace of mind every season.

Our dedicated team is here to provide urgent, high-quality care for your pets—because they’re family and deserve immediate attention when it matters most!

How Heartworm Disease Affects Pets

Heartworm disease is caused by a parasitic worm called Dirofilaria immitis, which is transmitted through the bite of an infected mosquito. Once inside your pet’s body, larvae travel through the bloodstream and mature into adult worms that can grow up to 12 inches long. These worms lodge in the heart and pulmonary arteries, causing inflammation, organ damage, and eventually heart failure if left untreated.

According to the American Heartworm Society, heartworm disease has been reported in all 50 states, and the number of cases per veterinary clinic has continued to rise in recent years. Dogs are the most common hosts, but cats and ferrets can also become infected. In cats, even a small number of worms can cause serious respiratory symptoms, making prevention just as critical for feline family members.

Closeup on hand feeding pet dog with chewable to protect and treat from heartworm disease, on white background
Closeup on hand feeding pet dog with chewable to protect and treat from heartworm disease at home
Human hand gives the maltese dog tablet protection tick . Tick And Flea Prevention concept .
Owner giving medicament to puppy. veterinary medicine, pet, animals, health care concept.
Series of person feeding poodle pet dog with preventive heartworms chewable

Signs of Heartworm Infection

Heartworm disease often develops silently in its early stages, which is why routine testing matters so much. By the time symptoms appear, significant damage may have already occurred. Watch for the following warning signs in your pet:

  • Persistent cough: a soft, dry cough that worsens with exercise can signal worms in the lungs and surrounding blood vessels
  • Exercise intolerance: pets with heartworm disease may tire quickly during walks or play and seem reluctant to move
  • Decreased appetite and weight loss: as the disease progresses, pets often eat less and lose body condition
  • Swollen abdomen: fluid buildup in the belly can occur in advanced cases due to heart failure
  • Labored breathing: difficulty breathing or rapid respiration may indicate serious lung involvement

If you notice any of these symptoms, schedule an appointment right away. Early detection gives your pet the best chance at a successful outcome.

Prevention Is Simpler and Safer Than Treatment

Treating an active heartworm infection is expensive, time-consuming, and carries real risks. The treatment process typically involves months of restricted activity, multiple injections, and close veterinary monitoring. For cats, there is no approved treatment at all, which makes prevention the only reliable option.

Monthly Preventives

We offer oral and topical heartworm preventives that are safe, effective, and easy to administer. Monthly chewable tablets are popular with dog owners because most pets take them willingly as treats. Topical options work well for cats and pets that are picky eaters. Many of these products also protect against intestinal parasites, giving your pet broader coverage with a single dose.

Annual Testing

Even pets on year-round prevention should be tested annually. A simple blood test can detect heartworm proteins in just minutes, and catching a breakthrough infection early means faster, less complicated treatment. We make testing easy by incorporating it into your pet’s wellness visit.

Meet Our Caring & Compassionate Veterinary Team

Dr. Sam Varon with dog

Dr. Sam Varon

Veterinarian

Dr. Tyler Baum

Veterinarian

Dr. Sasha Hazelton

Veterinarian
Dr. Pietro Catini with cat

Dr. Pietro Catini

Veterinarian

Hear From Our Pet Parents

“ Dr. Sam saved my baby...

My dog Aurora had mouth cancer. I found out and had such little time to schedule her surgery because it was so aggressive. I was referred to Dr. Sam by a friend. I live in Santa Barbara and made the trip up to Sacramento. I am still impressed how well everything went! She had to have almost half of her jaw removed. She is cancer free and looking amazing! Back to her puppy self. First picture is only 2 months after surgery! 2nd and 3rd are the day of. Dr. Sam saved my baby

- Hannah N.

“ This Clinic would not hesitate to go beyond to help your pet...

This Clinic would not hesitate to go beyond to help your pet. Our boy’s doctor Tyler is an amazing doctor and we are blessed to have him. Diamond was very ill needed emergency treatment /surgery and he received excellent care. We are so thankful for all the doctors surgeons did for our baby.

- Yliana T.

“ Exceptional service and care...

Dr. Sam and the team went above and beyond to ensure my pet's safety and recovery. Highly recommended!

- Lisa P.

“ The hospitality and professionalism demonstrated by the entire staff was second to none...

I drove 95 miles to have Dr. Sam at Broadway Vet perform surgery on my kitten. The hospitality and professionalism demonstrated by the entire staff was second to none and I will be a return customer for all my future veterinary needs! My kitty bounced back so quickly because Dr. Sam is an expert in his field and knew just what needed to be done. Highly recommend Broadway Veterinary Hospital! Thanks, Dr. Sam!

- Madison G.

Choose Venetian Pet Hospital for Heartworm Prevention

Our veterinary team takes a proactive approach to your pet’s health. With tick prevention and flea control services alongside our heartworm prevention plans, we help Stockton families keep their pets protected against the most common parasites in our region. Our doctors, including Dr. Hanh Do and Dr. Pietro Catini, are committed to building lasting relationships with you and your pets.

Heartworm prevention is affordable, straightforward, and could save your pet’s life. Contact Venetian Pet Hospital to schedule a heartworm test and get your pet started on a prevention plan today.

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