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7 Serious Signs of Pulmonary Hypertension to Watch Out For

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Medically Reviewed

Profile image of Lalaine Cheng

Medically Reviewed By Lalaine ChengA committed healthcare professional holding a Master’s in Public Health with a specialisation in epidemiology, I bring a strong foundation in both clinical practice and scientific research, with a deep emphasis on promoting overall health and well-being. My work in clinical trials is driven by a passion for ensuring that every new treatment or product meets rigorous safety standards—offering reassurance to both individuals and the medical community. Now undertaking a Ph.D. in Biology, I remain dedicated to advancing medical knowledge and enhancing patient care through ongoing research and innovation.

Profile image of Medispress Staff Writer

Written by Medispress Staff WriterThe Medispress Editorial Team is made up of experienced healthcare writers and editors who work closely with licensed medical professionals to create clear, trustworthy content. Our mission is to make healthcare information accessible, accurate, and actionable for everyone. All articles are thoroughly reviewed to ensure they reflect current clinical guidelines and best practices. on June 2, 2025

Recognizing the early signs of pulmonary hypertension is crucial for timely intervention and treatment . This progressive condition involves elevated blood pressure in the arteries of the lungs, which can strain both the heart and lungs. Its symptoms are often confused with those of other respiratory or cardiac issues, making it vital to be aware of the distinct warning signs.

What Is Pulmonary Hypertension?

Pulmonary hypertension occurs when the blood pressure within the pulmonary arteries, which transport blood from the heart to the lungs, becomes excessively high. Unlike systemic hypertension, which affects the entire circulatory system, pulmonary hypertension targets a specific segment of the vascular system. 

The effects of pulmonary hypertension are significant: the narrowing or stiffening of the pulmonary arteries forces the heart to work harder to circulate blood. Over time, this increased workload can lead to enlargement of the right side of the heart and, if left untreated, may result in heart failure. While pulmonary hypertension can develop in anyone, it is especially common in individuals with preexisting heart or lung diseases, connective tissue disorders, or a history of chronic blood clots.

What are the warning signs of pulmonary hypertension? Here are some key symptoms you should never overlook:

1. Shortness of Breath

Among the earliest signs and symptoms of pulmonary hypertension, shortness of breath – especially during routine physical activity – is often reported. You might find yourself winded after climbing stairs, walking a short distance, or even doing daily chores. Unlike typical breathlessness from exertion, this tends to persist and worsen over time.

This occurs because the heart has to work harder to pump blood through narrowed lung arteries, resulting in reduced oxygen circulation throughout the body. Many dismiss this symptom as aging or poor fitness, but in the context of pulmonary hypertension, it’s a red flag.

2. Fatigue and Weakness

Persistent tiredness, even after rest, is one of the most common pulmonary hypertension symptoms. Because your body isn’t receiving enough oxygen-rich blood, your muscles and organs struggle to function efficiently. As a result, even minor activities may feel exhausting.

This symptom can sometimes be attributed to other conditions, such as anemia or thyroid issues. However, when it appears with other early signs of pulmonary hypertension, it warrants immediate medical attention.

3. Chest Pain or Pressure

Chest discomfort is not exclusive to heart disease. In pulmonary hypertension, the right side of the heart becomes enlarged or strained as it tries to push blood through narrowed pulmonary arteries. This increased pressure can cause chest pain, tightness, or a squeezing sensation, especially during physical activity.

Chest pressure should never be overlooked, even if it feels mild. It could be an early sign of cardiovascular distress related to pulmonary hypertension.

4. Swelling in the Ankles, Legs, or Abdomen

Fluid retention is a sign that the heart isn’t pumping blood effectively, which is often the case in advanced pulmonary hypertension. This leads to swelling, commonly in the lower legs, ankles, or even the abdomen. Medically, this condition is referred to as peripheral edema.

This symptom tends to worsen throughout the day or after prolonged periods of sitting or standing. The swelling can become painful and restrict mobility, indicating that the body is under strain due to decreased heart function.

5. Bluish Lips or Skin (Cyanosis)

A more alarming sign of pulmonary hypertension is cyanosis, identified by a bluish discoloration of the lips, fingertips, or skin. This occurs when there’s not enough oxygen circulating in the blood. It is a clear indication that your lungs and heart are struggling to meet the body’s oxygen demands.

While cyanosis can occur in several respiratory or cardiovascular conditions, when it presents along with other signs of pulmonary hypertension, it calls for urgent evaluation.

6. Irregular Heartbeat (Palpitations)

You may notice a racing, fluttering, or pounding heartbeat, even while at rest. This is because the right side of the heart is under increasing pressure and may develop rhythm irregularities (arrhythmias) as it becomes strained.

While palpitations can be harmless in some cases, in the context of PH, they can signal worsening heart strain. Patients may also experience dizziness or faintness, especially if the palpitations disrupt normal blood flow.

7. Dizziness or Fainting (Syncope)

Fainting or feeling lightheaded is a serious symptom that occurs when the heart can’t supply enough blood to the brain. This can happen suddenly and without warning, especially during exercise or after prolonged periods of standing.

In advanced cases, this may point to right heart failure. Among all signs of pulmonary hypertension, syncope is particularly dangerous and often indicates that the condition has progressed significantly.

Understanding the Need for Timely Diagnosis

The challenge with pulmonary hypertension is that its symptoms often mimic other conditions like asthma, chronic fatigue, or general cardiovascular issues. That’s why it’s so important to consider the full picture rather than focusing on isolated symptoms. If you notice several of these signs appearing together, don’t delay speaking with your healthcare provider.

A combination of imaging tests, heart monitoring, and pulmonary evaluations is typically required to diagnose pulmonary hypertension accurately. Catching it early improves the odds of effective management.

Options for Pulmonary Hypertension Treatment

Once diagnosed, several treatment options are available for pulmonary hypertension. These may include:

  • Medications that relax blood vessels in the lungs
  • Diuretics to reduce swelling
  • Providing oxygen therapy to people with low blood oxygen
  • Lifestyle changes, including supervised exercise and low-sodium diets
  • Surgical options, like atrial septostomy or lung transplantation, for severe cases

Individualized treatment plans are essential, and regular follow-ups can help adjust therapies as needed to ensure optimal outcomes. Early intervention, guided by symptom awareness, leads to better quality of life and long-term outcomes.

Takeaways

Spotting the early signs of pulmonary hypertension can be life-changing. From persistent fatigue to swelling and shortness of breath, these symptoms are your body’s way of signaling that something isn’t right. Acting on them promptly can lead to a faster diagnosis and access to appropriate treatment options.

Utilizing telehealth options can provide you with convenient access to healthcare professionals who can evaluate and assess your symptoms and guide you toward the next steps in your care. Whether you’re experiencing these symptoms or know someone who might be, early recognition and action are key to managing this serious condition.

Frequently Asked Questions (FAQs) 

What are the most common symptoms of pulmonary hypertension?

Common symptoms encompass shortness of breath, fatigue, chest pain, dizziness, swelling in the legs or abdomen, and bluish discoloration of the lips or skin. 

Is pulmonary hypertension curable?

While there is currently no cure, a treatment can help manage symptoms, slow disease progression, and improve quality of life.

Can lifestyle changes help manage pulmonary hypertension?

Yes, lifestyle modifications, including maintaining a healthy diet, engaging in appropriate physical activity, avoiding smoking, and managing underlying conditions can support treatment and improve overall well-being. However, these should be used in conjunction with medical therapies and discussed with a healthcare provider. 

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Medically Reviewed By: Ma. Lalaine Cheng