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Heart Failure in Pets: Recognizing the Signs and Getting Help Fast

Heart failure in pets is a serious condition that can come on gradually or, in some cases, very suddenly. Understanding the warning signs and knowing when to seek urgent care can make all the difference in your pet’s quality of life.
 

What Is Heart Failure in Pets?

Heart failure occurs when the heart is no longer able to pump blood efficiently, leading to fluid buildup in the lungs or other parts of the body. It’s often the result of an underlying heart condition, such as valvular disease, heartworm disease, or cardiomyopathy.
 

Dogs and cats can both experience heart failure, but the way it presents may differ. In dogs, congestive heart failure (CHF) is often caused by mitral valve disease or dilated cardiomyopathy, while in cats, hypertrophic cardiomyopathy (HCM) is a common culprit.
 

Signs of Heart Failure in Pets

The symptoms of heart failure can be subtle at first, but as the condition progresses, they become more obvious. Some of the most common signs to watch for include:

  • Coughing that won’t go away – A persistent, hacking cough in dogs can be a sign of fluid buildup in the lungs. Cats, on the other hand, rarely cough with heart failure but may show other respiratory distress.

  • Difficulty breathing – Labored breathing, panting at rest, or an increased respiratory rate are red flags.

  • Lethargy and weakness – If your pet seems exhausted after minimal activity or avoids exercise altogether, it could be due to reduced oxygen circulation.

  • Loss of appetite – Many pets with heart disease lose interest in food, which can lead to weight loss.

  • Distended abdomen – Fluid accumulation in the belly (ascites) can cause noticeable bloating, especially in dogs.

  • Collapse or fainting – Sudden episodes of weakness, collapse, or fainting can indicate a severe issue with the heart’s ability to pump blood properly.
     

When to Seek Emergency Care

If your pet is struggling to breathe, collapses, or has blue or pale gums, don’t wait—this is an emergency. Heart failure can escalate quickly, and immediate intervention can be life-saving.
 

Even if the signs seem mild, early detection is key. A veterinary exam, chest X-rays, and other diagnostics can help determine if your pet’s symptoms are related to heart disease. In many cases, medications and lifestyle adjustments can help manage the condition and improve your pet’s comfort.
 

Caring for a Pet with Heart Disease

A heart failure diagnosis doesn’t mean the end of the road. With the right treatment plan, many pets can continue to enjoy life for months or even years. Medications to remove excess fluid, improve heart function, and regulate blood pressure can be highly effective. Your veterinarian may also recommend dietary changes, weight management, and modifications to your pet’s daily routine to reduce stress on the heart.
 

Your Pet’s Heart Health Matters

Heart failure is a serious condition, but the sooner it’s caught, the more options are available for treatment. If you notice any concerning signs in your pet, don’t hesitate to seek help. We’re here to provide the care your pet needs—whether it’s an urgent concern or ongoing management for heart disease.
 

If your pet is showing signs of heart failure, contact Rockwall Urgent Vet right away or bring them in for an urgent evaluation. Visit our office in Rockwall, Texas, or call (469) 769-7222 today.

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