Health Library

Symptoms

Learn about common respiratory and lung-related symptoms, their possible causes, diagnosis, treatment and when to seek medical attention.

Shortness of Breath

Shortness of Breath

Shortness of breath, also called dyspnea, is the uncomfortable feeling of not getting enough air or having difficulty breathing. It may occur during physical activity, at rest, suddenly, or gradually over time, and can be caused by lung, heart, or other medical conditions.

Chronic Cough

Chronic Cough

A chronic cough is a cough that persists for several weeks or longer. It may be caused by respiratory conditions, allergies, asthma, acid reflux, infections, medications, or other underlying health problems.

Wheezing

Wheezing

Wheezing is a high-pitched whistling sound that occurs when you breathe, usually because the airways have become narrowed or inflamed. It can be associated with asthma, COPD, respiratory infections, allergies and other airway conditions.

Chest Pain

Chest Pain

Chest pain is discomfort, pressure, tightness or pain felt in the chest. It can have many causes, including respiratory, heart-related, digestive and musculoskeletal conditions, and some causes require urgent medical assessment.

Coughing Up Blood (Hemoptysis)

Coughing Up Blood (Hemoptysis)

Coughing up blood, known medically as hemoptysis, means bringing up blood or blood-stained mucus from the lower respiratory tract when coughing. It can have several causes, ranging from respiratory infections to more serious lung conditions and requires medical evaluation.

Coughing With Phlegm (Productive Cough)

Coughing With Phlegm (Productive Cough)

Coughing with phlegm, also called a productive cough, is a cough that brings mucus or sputum up from the airways. It commonly occurs with respiratory infections, bronchitis, asthma, COPD and other conditions affecting the lungs and airways.