Heartworm Prevention in Mansfield, TX, From Your Local Vet

Petfolk Veterinary & Urgent Care - Mansfield is a vet in Mansfield, TX, that helps dogs and cats stay on heartworm prevention all year. The short answer for North Texas: give it every month, in every season, with no winter break. Prevention is a small monthly step. Treating heartworm disease in a dog takes months of strict rest and many visits, and there is no approved treatment at all for cats.

Call (817) 241-2355 or book online to start or refill prevention.

Why is heartworm such a big deal in Texas?

The American Heartworm Society's survey of 2025 testing data ranked Texas first in the nation for heartworm cases. Heartworms spread through mosquito bites, and the Texas A&M diagnostic lab notes that heavy rain boosts mosquitoes and heartworm risk. In Mansfield, that means standing water after a spring storm, clogged gutters, plant saucers and backyard bird baths.

Mild winters don't give much of a break either. A warm week in January can be enough for mosquitoes to bite, so a skipped month leaves a gap.

Does my indoor cat need heartworm prevention?

Yes, the vet usually recommends it. Mosquitoes get indoors through doors, screens and garages, and it only takes one bite. Cats are not the worms' favorite host, but even a few worms can cause serious breathing problems that look like asthma. Since there's no approved cure for cats, prevention is the whole plan.

Which preventive is right for my dog?

There are a few types. The vet helps you pick based on your pet's age, weight, lifestyle and what's easiest for your home:

• Monthly chewables that many dogs take like a treat. Some also cover fleas, ticks and gut worms in one dose.

• Monthly topicals, a liquid on the skin, common for cats.

• A long-acting injection given at the clinic that lasts for months, for families who'd rather not track a monthly dose.

Before starting, dogs over about 7 months need a negative heartworm test. Starting prevention in a dog who already has worms can make them sick. See heartworm testing in Mansfield for how that works.

Mansfield rules and dog park health

Mans Best Field Dog Park on West Broad Street asks that every dog be current on vaccines, healthy and registered with the city. Heartworm prevention isn't on that list, but the dogs who share water bowls and shady corners there also share the same mosquitoes. The City of Mansfield's animal care ordinance also expects pet parents to provide vet care for parasites. Staying on prevention covers you on both counts.

Staying on schedule

Most missed doses come from busy months, not from choice. A few things help:

• Pick one easy date, like the first of the month, and set a phone reminder.

• Buy a 6 or 12 month supply so you don't run out.

• Ask the team about the long-acting injection if monthly doses keep slipping.

• If you miss a dose, give it as soon as you remember and call the clinic. The vet may suggest a test later.

Medicine comes from the on-site pharmacy, so you can leave the visit with your supply in hand.

Pricing for heartworm prevention

Cost depends on your pet's weight and the product. Ask the team for current prices at your visit. You'll get an estimate before any test or treatment. The final bill can differ if the plan changes during the visit. A wellness exam at Petfolk Mansfield starts at $99, or it is free with the PetfolkCare plan, which starts at $199 a year.

Fear Free, gentle handling keeps the yearly test and checkup low-stress.

Heartworm signs that need fast help

A dog with heartworm can cough, tire on short walks or breathe fast. A cat may cough, wheeze or vomit. If your pet collapses or struggles to breathe, go to a 24-hour emergency hospital such as Thrive Pet Healthcare Specialists at 301 U.S. 287 Frontage Rd.

Book a visit at Petfolk Veterinary & Urgent Care - Mansfield, or see all veterinary services in Mansfield.