Smoking is the leading cause of emphysema, a disease of the lungs that makes it hard to breathe. Learn more about how emphysema affects you and how it's treated.
Asthma can make breathing difficult and cause coughing and wheezing. Find out what treatments and lifestyle changes can help.
During a heart attack, blood supply that normally nourishes the heart with oxygen is cut off and the heart muscle begins to die. Here's what you should know.
Congestive heart failure (CHF) is a chronic condition that affects the chambers of your heart. Learn more about CHF, including symptoms and risk factors.
Pneumonia is an infection of the lungs caused by fungi, bacteria, or viruses. General symptoms include chest pain, fever, cough, and trouble breathing.
Anaphylaxis can occur when you have a severe reaction to certain allergens. Learn what the symptoms are and what to do if this happens.
Pneumothorax, or collapsed lung, occurs when air is trapped in the space around your lungs. Learn about the types of pneumothorax and the treatment for it.
Pulmonary edema is a condition in which the lungs fill with fluid. Read about your risk, and what to do if you experience symptoms.
There are two main types of lung cancer: non-small cell and small-cell. Learn about how these lung cancers are caused, your treatment options, and more.
Congestive cardiomyopathy, also known as dilated cardiomyopathy, is characterized by a weak, enlarged primary pumping chamber in the heart. This could be caused by…
Bronchiectasis causes symptoms like chronic coughing, coughing up blood, wheezing, and shortness of breath. Read about treatment options.
A deviated septum may cause health complications such as difficulty breathing. Learn more about the causes, symptoms, treatments, and more.
Allergic rhinitis, or hay fever, is your body's response to specific allergens. It causes uncomfortable symptoms like sneezing and itchy eyes.
A head injury is an injury to your brain, skull, or scalp. All head injuries should be treated seriously and assessed by a doctor. Get the facts about 6 major types.
Epiglottitis is characterized by inflamed tissue in your epiglottis. It's a potentially life-threatening condition. Learn who gets it, why, and how it's treated.
An empyema is a condition in which pus collects in the pleural space, which is the area between your lungs and the inner surface of your chest wall.
Respiratory acidosis occurs when the lungs cannot remove enough of the CO2 produced by the body. It is typically caused by an underlying condition.
Acute bronchitis causes coughs that produce mucus. You don't need antibiotics, but bed rest and home care can help.
Learn more about anxiety with this overview of anxiety disorders.
Chronic obstructive pulmonary disease (COPD) is a group of progressive lung diseases. Here's what you should know about symptoms, diagnosis, and management.
This feature is for informational purposes only and should not be used to diagnose. Please consult a healthcare professional if you have health concerns.