Internal Medicine | Pulmonary Disease Questions Pulmonologist

What could be the cause of shortness of breath?

I've been experiencing persistent shortness of breath. What could be the cause?

3 Answers

InternalMedicine|PulmonaryDiseasePulmonologist
Shortness of breath can be caused by many different reasons. It can be caused by: 1. Asthma or any lung disease 2. Anemia 3. Heart failure 4. Pneumonia 4. Blood clot in the lung 5. Heart attack just to name a few. You would need a complete workup to figure out why this is happening including but not limited to: ECHO, stress test, pulmonary function test, CXR, cardiac cath, or CT scan of the chest. Shortness of breath needs to be evaluated by a medical professional.
Exercise and pulmonary function studies needed , also endocrine ( hyperthyroidism). Pulmonary embolism screening.
Persistent shortness of breath can have several possible causes, and it’s important to identify the underlying issue. Some common causes include:

1. Respiratory conditions: Such as asthma, chronic obstructive pulmonary disease (COPD), pneumonia, or pulmonary fibrosis.


2. Heart conditions: Like heart failure, coronary artery disease, or arrhythmias can cause difficulty breathing.


3. Anxiety or panic attacks: These can lead to a sensation of shortness of breath, often accompanied by feelings of anxiety or stress.


4. Allergies or asthma: Both can trigger breathing difficulties, especially if you're exposed to allergens or irritants.


5. Obesity: Extra weight can put strain on the lungs, leading to shortness of breath, especially during physical activity.


6. Pulmonary embolism: A blood clot in the lungs can cause sudden shortness of breath, often accompanied by chest pain.


7. Infections: Respiratory infections, like the flu or COVID-19, can cause inflammation and difficulty breathing.



It’s important to see a healthcare provider for a proper evaluation and diagnosis, as persistent shortness of breath can be a sign of a serious condition.