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Dr. Roy Madigan, D.V.M., is not just a veterinarian. He is one of the leading experts in canine Chagas disease in the United States.
<br><br>
• Founder of Vida Pharmacal, focused on breakthrough parasitic disease treatments
<br>• Filed the first veterinary drug patent for anti-T. cruzi activity in dogs
<br>• Principal scientist for the U.S. military working dog Chagas treatment study
<br>• Veterinary lead for the Texas Chagas Task Force alongside the CDC and UT Health
<br>• Pioneer in developing diagnostic and treatment protocols for infected dogs
<br><br>
Your pet is being treated by the same expert helping shape how Chagas disease is understood nationwide.

Get In Touch

Chagas disease progresses in stages. The earlier it is identified:
<br><br>
<br>• The more treatment options are available
<br>• The better heart damage can be managed
<br>• The higher the chance of improving quality of life
<br><br>
Waiting can mean irreversible cardiac damage.

<b>Early Detection. Advanced Treatment. Led by One of the Nation’s Top Experts.</b>

<b>Do not wait for symptoms to appear.</b>

Chagas disease is often silent early on, but warning signs may include:
<br>
<br>• Lethargy or decreased activity
<br>• Fainting or collapse
<br>• Irregular heartbeat
<br>• Difficulty breathing
<br>• Unexplained weight loss
<br><br>
If your dog spends time outdoors, lives in Central Texas, or has been exposed to insects, they may be at risk even without symptoms.

If your dog may have been exposed to kissing bugs, do not wait. Chagas disease can silently damage the heart before symptoms appear. Early diagnosis can make the difference.

At Central Texas Vet, we go beyond standard testing.
Dr. Madigan is actively developing advanced serologic testing methods to improve detection accuracy.
<br><br>
Your dog’s evaluation may include:
<br>
<br>• Comprehensive physical exam
<br>• Cardiac screening
<br>• Specialized blood testing for T. cruzi
<br>• Advanced diagnostics when needed
<br><br>
Early detection allows for better management and improved outcomes.

Chagas disease is caused by the parasite Trypanosoma cruzi, transmitted by “kissing bugs” commonly found in Texas.
Once infected, dogs may appear normal while the parasite attacks the heart and other organs.
<br><br>
Without intervention, Chagas can lead to:
<br>
<br>• Heart disease
<br>• Arrhythmias
<br>• Sudden death

Questions? We Have Answers

If your dog may be at risk, schedule an evaluation today and get answers from one of the leading experts in the field.

chagas-disease

<p dir="auto">At The Animal Hospital of Smithson Valley, we go beyond standard testing.</p><p dir="auto">Dr. Madigan is actively developing advanced serologic testing methods to improve detection accuracy.</p><p dir="auto">Your dog’s evaluation may include:</p><ul><li><p dir="auto">Comprehensive physical exam</p></li><li><p dir="auto">Cardiac screening</p></li><li><p dir="auto">Specialized blood testing for T. cruzi</p></li><li><p dir="auto">Advanced diagnostics when needed</p></li></ul><p dir="auto">Early detection allows for better management and improved outcomes.</p>

<p dir="auto">Dr. Roy Madigan, D.V.M., is not just a veterinarian. He is one of the leading experts in canine Chagas disease in the United States.</p><ul><li><p dir="auto">Founder of Vida Pharmacal, focused on breakthrough parasitic disease treatments</p></li><li><p dir="auto">Filed the first veterinary drug patent for anti-T. cruzi activity in dogs</p></li><li><p dir="auto">Principal scientist for the U.S. military working dog Chagas treatment study</p></li><li><p dir="auto">Veterinary lead for the Texas Chagas Task Force alongside the CDC and UT Health</p></li><li><p dir="auto">Pioneer in developing diagnostic and treatment protocols for infected dogs</p></li></ul><p dir="auto">Your pet is being treated by the same expert helping shape how Chagas disease is understood nationwide.</p>

<p dir="auto">Chagas disease is caused by the parasite Trypanosoma cruzi, transmitted by “kissing bugs” commonly found in Texas.</p><p dir="auto">Once infected, dogs may appear normal while the parasite attacks the heart and other organs.</p><p dir="auto">Without intervention, Chagas can lead to:</p><ul><li><p dir="auto">Sudden death</p></li><li><p dir="auto">Heart disease</p></li><li><p dir="auto">Arrhythmias</p></li></ul><p dir="auto"></p>

<p dir="auto">Chagas disease progresses in stages. The earlier it is identified:</p><ul><li><p dir="auto">The more treatment options are available</p></li><li><p dir="auto">The better heart damage can be managed</p></li><li><p dir="auto">The higher the chance of improving quality of life</p></li></ul><p dir="auto">Waiting can mean irreversible cardiac damage.</p>

<p dir="auto">Chagas disease is often silent early on, but warning signs may include:</p><ul><li><p dir="auto">Lethargy or decreased activity</p></li><li><p dir="auto">Fainting or collapse</p></li><li><p dir="auto">Irregular heartbeat</p></li><li><p dir="auto">Difficulty breathing</p></li><li><p dir="auto">Unexplained weight loss</p></li></ul><p dir="auto">If your dog spends time outdoors, lives in Central Texas, or has been exposed to insects, they may be at risk even without symptoms.</p>

Why The Animal Hospital of Smithson Valley Is Different

chagas-disease-ahsv

Chagas disease is often silent early on, but warning signs may include:
<br>
<br>• Lethargy or decreased activity
<br>• Fainting or collapse
<br>• Irregular heartbeat
<br>• Difficulty breathing
<br>• Unexplained weight loss
<br><br>
If your dog spends time outdoors, lives in Central Texas, or has been exposed to insects, they may be at risk even without symptoms.<div><br></div><div><br></div>

chagas-disease-ctv

contact-us

copy-of-chagas-disease

<p dir="auto">At Central Texas Vet, we go beyond standard testing.</p><p dir="auto">Dr. Madigan is actively developing advanced serologic testing methods to improve detection accuracy.</p><p dir="auto">Your dog’s evaluation may include:</p><ul><li><p dir="auto">Comprehensive physical exam</p></li><li><p dir="auto">Cardiac screening</p></li><li><p dir="auto">Specialized blood testing for T. cruzi</p></li><li><p dir="auto">Advanced diagnostics when needed</p></li></ul><p dir="auto">Early detection allows for better management and improved outcomes.</p>

<p dir="auto">Chagas disease is caused by the parasite Trypanosoma cruzi, transmitted by “kissing bugs” commonly found in Texas.</p><p dir="auto">Once infected, dogs may appear normal while the parasite attacks the heart and other organs.</p><p dir="auto">Without intervention, Chagas can lead to:</p><ul><li><p dir="auto">Heart disease</p></li><li><p dir="auto">Arrhythmias</p></li><li><p dir="auto">Sudden death</p></li></ul><p dir="auto"></p>

copy-of-copy-of-chagas-disease

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<h2 dir="auto">Cold Temperatures: How Much Is Too Cold for Pets?</h2><p dir="auto"></p><p dir="auto">Cold weather affects pets differently than many owners expect. Even thick coated breeds can develop cold stress if temperatures drop quickly. Short haired, senior, underweight, and very young pets are especially vulnerable. Extended time outdoors in freezing temperatures increases the risk of frostbite and hypothermia. Ears, paws, and the tip of the tail are the most susceptible areas for cold related damage because circulation decreases in these tissues when the body attempts to stay warm. Pets showing signs such as shivering, stiffness, reluctance to walk, or seeking constant shelter should be brought indoors immediately. Limiting outdoor time, providing warm shelter, and using pet safe winter gear can protect vulnerable pets.</p><h2 dir="auto">Salt and Ice Melt Products: A Common Winter Irritant</h2><p dir="auto"></p><p dir="auto">Sidewalk salt and ice melt chemicals are widespread during winter, and many products can irritate or burn a pet’s paws. Salt crystals may become lodged between paw pads, causing redness, inflammation, or cracking. Pets often lick irritated paws, leading to ingestion of salts or chemicals that can cause digestive upset or electrolyte imbalances. After walks, rinsing or wiping paws helps remove residue before irritation occurs. Using pet booties or applying paw balms designed to create a protective barrier can also reduce exposure. When choosing de-icing agents for home use, selecting pet safe formulations lowers the risk of accidental irritation or ingestion.</p><h2 dir="auto">Antifreeze: A Deadly Winter Toxicity</h2><p dir="auto"></p><p dir="auto">Antifreeze, typically containing ethylene glycol, is one of the most dangerous winter hazards for pets. Even small amounts can cause severe kidney damage and may be fatal without rapid treatment. Antifreeze has a naturally sweet taste that attracts animals, increasing the risk of accidental ingestion. Symptoms of antifreeze poisoning can include vomiting, unsteadiness, excessive thirst, and lethargy, followed by more serious neurologic or kidney related signs. Any suspected exposure requires immediate emergency veterinary care, as early treatment is critical. Storing antifreeze securely, cleaning spills promptly, and checking for vehicle leaks can prevent accidental ingestion.</p><h2 dir="auto">Winter Grooming and Skin Considerations</h2><p dir="auto"></p><p dir="auto">Cold air and indoor heating can dry a pet’s skin, reducing natural protective oils. This can lead to itchiness, flaking, or irritation. Regular brushing helps maintain coat health and improves circulation. Bathing should be done with gentle, pet safe shampoos, as overbathing removes moisture from the skin. Snow and ice can also form small clumps in long haired pets’ fur, causing discomfort. Keeping fur trimmed around the paws and legs can make winter walks more comfortable.</p><h2 dir="auto">Indoor Winter Risks</h2><p dir="auto"></p><p dir="auto">Winter months often mean more time indoors, which can introduce additional hazards. Space heaters may attract pets seeking warmth but can cause burns if touched or knocked over. Pets may also curl up against radiators or heating vents, leading to mild thermal injuries. Ensuring safe distances and supervised use of heating equipment helps reduce risks. Dry indoor air can also irritate airways in some pets, especially those with respiratory sensitivities. Providing adequate humidity levels supports respiratory comfort.</p><h2 dir="auto">Exercise and Activity Adjustments</h2><p dir="auto"></p><p dir="auto">Reduced outdoor time during winter can lead to decreased activity and weight gain. Maintaining a healthy routine is important for physical and mental well-being. Shorter but more frequent walks, indoor enrichment activities, and puzzle feeders keep pets active and stimulated even when weather limits outdoor play. For senior pets, cold weather can worsen joint stiffness. Using supportive bedding and maintaining consistent exercise helps minimize discomfort.</p><h2 dir="auto">How to Keep Pets Safe All Winter</h2><p dir="auto"></p><p dir="auto">Pet safety in winter depends on awareness and preparation. Protecting paws from salt, preventing antifreeze exposure, and limiting time in freezing temperatures all reduce the risk of winter related injuries. Monitoring pets closely during cold weather and providing appropriate shelter, nutrition, and hydration ensure that dogs and cats stay healthy throughout the season. Early veterinary attention is recommended if a pet shows signs of cold stress, paw irritation, or suspected toxin exposure.</p><h2 dir="auto">Winter Safety Starts With Awareness</h2><p dir="auto"></p><p dir="auto">Winter hazards are manageable when pet owners understand the risks and take proactive steps to protect their animals. Whether dealing with sidewalk salt, freezing temperatures, or antifreeze spills, simple precautions can prevent serious health issues. If you have concerns about your pet’s safety during cold weather or notice signs of irritation or illness, schedule a visit with your nearest United Veterinary Care clinic for guidance and winter care recommendations.</p>

Winter brings a unique set of challenges for dogs and cats. While many pets enjoy cold weather activities, winter conditions can lead to temperature related injuries, chemical exposures, and toxic hazards that are not present during other seasons. Understanding the most common winter risks helps pet owners take the right precautions to keep their pets safe and comfortable in colder months.

Winter Pet Safety Guide: Cold Weather, Salt Exposure, and Antifreeze Risks

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Compassionate and quality care for your pet. 

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Experience stress-free pet care with our mobile veterinary services that bring expert, compassionate care to your home. Our at-home veterinarians provide wellness exams, vaccinations, parasite prevention, and end-of-life care in a calm, familiar setting. Ideal for senior or anxious pets and busy families, we deliver trusted, personalized veterinary care right to your doorstep, where your pet feels safest.

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Laser Therapy

Ensure your pet travels safely with veterinary health certificates and travel documentation support. Our veterinarians provide exams, guidance, and required paperwork to help prepare your pet for travel based on your destination and specific requirements.

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Saying goodbye is the hardest part of loving a pet. When that time comes, you deserve clarity, comfort, and the space to make decisions with peace of mind.

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No guessing, no delays, and no unnecessary confusion.


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Nutrition is the foundation of good health, and a powerful tool in managing weight, energy, chronic conditions, and even behavior.

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Your pet can't tell you when something's wrong. That's why regular wellness exams are so important. These visits give us the chance to catch health issues early, before they become painful or costly.  

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Fleas, ticks, and intestinal worms are not just a nuisance, they are dangerous. These tiny pests can cause serious health issues like Lyme disease, heartworm disease, and tapeworms. 

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Vaccines are one of the most important tools we have to protect pets from serious, often deadly diseases. Whether you have a rambunctious or a relaxed pet, vaccinations help your pet build strong immunity and avoid preventable illness.

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When pets get sick or injured, you want answers fast. Advanced imaging gives us a deeper look, without invasive procedures.


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Permanent ID for Peace of Mind. A collar can come off. A tag can get lost. But a microchip is a permanent, tamper-proof way to make sure your pet always has a way home. At (), we offer safe and simple microchip implantation, so your pet stays connected to you, no matter what.

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Discover hidden dental issues before they cause pain with pet dental radiology at (). Our veterinary dental X-rays reveal infections, bone loss, and tooth damage beneath the gum line, ensuring safer, more effective treatment. Non-invasive and included in every comprehensive dental cleaning, dental radiographs for pets help protect your pet's health, comfort, and smile for years to come.


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Spaying or neutering your pet is one of the most important decisions you can make for their long-term health. It helps prevent certain cancers and infections, curbs unwanted behaviors, and reduces the number of orphaned pets in shelters.

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Winter Pet Safety Guide: Cold Weather, Salt Exposure, and Antifreeze Risks

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Winter Pet Safety Guide: Cold Weather, Salt Exposure, and Antifreeze Risks

Recent Blogs

Halloween Safety for Pets: 5 Tips for Dogs and Cats

The Animal Hospital of Smithson Valley Celebrates a 2026 Community Choice Award

Pet Obesity Awareness Month: Healthy Weight Tips

Related Blogs

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