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寵物也會有高血壓?你需要知道的血壓健康指南 寵物也會有高血壓?你需要知道的血壓健康指南

Can pets also have high blood pressure? What you need to know about blood pressure health

Hypertension is not a problem exclusive to humans. Many pets, especially dogs and cats, may also face health risks of abnormal blood pressure. However, most pet owners are not aware of this and miss the best time for early management. Undetected or unmanaged high blood pressure can lead to serious health problems, including heart disease, kidney failure, and even blindness. This article will deeply analyze the causes, effects, and proper management of pet hypertension to help owners provide more comprehensive health protection for their furry friends.

1. What is hypertension in pets?

1.1 Definition of pet blood pressure

Blood pressure is the pressure that blood exerts against blood vessel walls as it flows. In dogs and cats, normal blood pressure ranges are generally:

  • Dogs: 120/70 to 140/90 mmHg
  • Cats: 120/80 to 160/90 mmHg
    When blood pressure is persistently above these ranges, it is considered high blood pressure.

1.2 Types of Hypertension in Pets

  • Essential hypertension : The cause is unknown, it is related to genes and age, and is more common in elderly dogs and cats.
  • Secondary hypertension : caused by other diseases, such as kidney disease, diabetes or endocrine disorders.

2. Why do pets have high blood pressure?

2.1 Age Factor

As dogs and cats age, their blood vessels become less elastic and their risk of blood pressure problems increases significantly.

2.2 Chronic diseases

  • Chronic kidney disease : Decreased kidney function can affect the balance of sodium and water in the body, leading to increased blood pressure.
  • Diabetes : Abnormal blood sugar levels can cause vascular damage, leading to high blood pressure.
  • Cushing's disease : Overactive adrenal glands can increase blood pressure.

2.3 Lifestyle and diet

  • Foods high in sodium (as in most commercial pet foods) may increase the risk of high blood pressure.
  • Lack of exercise may also lead to obesity, further increasing the likelihood of blood pressure problems.

3. Effects of hypertension on pets

3.1 Cardiac and vascular burden

Persistent high blood pressure puts greater strain on the heart, which may eventually lead to heart enlargement, failure, or rupture of blood vessels.

3.2 Renal Damage

The kidneys themselves are important organs for regulating blood pressure, but high blood pressure will further damage kidney function, forming a vicious cycle.

3.3 Eye Health

  • High blood pressure may cause blood vessels in the eye to rupture, leading to retinal detachment or even complete blindness.
  • This problem is particularly common in cats.

3.4 Neurological Abnormalities

Unmanaged high blood pressure can trigger neurological problems, such as seizures or behavioral changes (such as anxiety or irritability).


4. How to check your pet’s blood pressure?

4.1 Methods of blood pressure detection

A pet's blood pressure is usually measured using noninvasive methods, such as:

  • Cuff method : Similar to human blood pressure measurement, a cuff is placed on the pet’s tail or leg.
  • Doppler technology : uses sound waves to measure blood flow speed and pressure and is more suitable for smaller pets.

4.2 When should blood pressure be checked?

  • Regular Checkups : Annual blood pressure checks are recommended after five years of age and especially for older pets.
  • Chronic Disease Monitoring : If your pet has been diagnosed with kidney disease or diabetes, blood pressure should be checked every 3-6 months.
  • Behavioral or health abnormalities : such as unexplained fatigue, vision problems, or seizures.

5. Treatment and management of hypertension in pets

5.1 Drug treatment

Your veterinarian may prescribe the following medications:

  • Antihypertensive drugs : These are used to help stabilize blood pressure.
  • Diuretics : Helps remove excess sodium and water from the body and relieves pressure on blood vessels.

5.2 Dietary Modification

Including more of the following natural ingredients in your diet can help improve your blood pressure:

  • Spirulina and Chlorella : Rich in potassium and magnesium, these minerals can help balance electrolytes and lower blood pressure.
  • Kelp : Contains natural iodine, which supports thyroid function and promotes metabolism, helping to maintain healthy blood pressure.
  • Burdock : Known for its antioxidant properties, it improves blood vessel elasticity and reduces the risk of inflammation.
  • Barley Grass : Helps scavenge free radicals, improve vascular health and stabilize blood pressure.
  • Wild blueberry : Rich in anthocyanins, it protects the lining of blood vessels and reduces damage caused by high blood pressure.

5.3 Increase exercise and reduce stress

  • Moderate daily exercise helps control your weight and improve vascular health.
  • Create a low-stress environment and avoid overstimulation, such as prolonged periods of solitude or noise.

6. Key measures to prevent hypertension in pets

6.1 Healthy Diet

Choose a low-sodium, high-quality pet food and pair it with a supplement containing natural antioxidants, such as spirulina and chlorella .

6.2 Regular health check-up

Early detection and management of underlying medical conditions, especially renal or endocrine problems.

6.3 Check blood pressure regularly

Check blood pressure as part of regular health checkups, especially for older pets or those with chronic medical conditions.


7. Practical case sharing

Case 1: Blood pressure management in elderly cats

A 12-year-old cat developed hypertension due to impaired renal function. The owner used antihypertensive drugs on the advice of a veterinarian and supplemented it with antioxidant ingredients (kelp, wild blueberries...). After three months, the cat's blood pressure stabilized and its behavior became more active.

Case 2: Medium Blood Pressure Control in Senior Dogs

A 10-year-old golden retriever was found to have high blood pressure during a regular checkup. Veterinarians recommend adding spirulina and chlorella to the diet while reducing high-sodium canned foods. Two months later, blood pressure improved significantly.


in conclusion

Healthy blood pressure is vital for dogs and cats, but is often overlooked. Through regular testing, a healthy diet, and adequate exercise, you can help your pet avoid the health risks associated with high blood pressure. As a pet owner, knowing how to manage blood pressure and provide a healthier life for your pet is the true guardian’s way.

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