Pulmonary hypertension is high pressure in the blood vessels that carry blood into the lungs. This strains the lungs and heart and can lead to serious problems.

Pleural effusion occurs when too much fluid builds up in the pleural space. This is the area between the chest wall and lung. Learn more about this condition and how it's treated.

The pleural space is the area between the lung and the chest wall. If air, blood, or fluid gets into this space, it can be a problem. This air, fluid, or blood can cause one or both lungs to collapse, which makes breathing difficult. A chest tube can drain the pleural space. This tube is soft and flexible. Your child may need a chest tube to prevent their lung from collapsing. Or they may need it to allow the lung to expand after collapsing.

Cystic fibrosis can cause problems with the pancreas, liver, and other digestive organs. Good nutrition can help with some of these problems. Learn about ways to help your child get enough calories and nutrition.

Chest physical therapy (CPT) is a method for clearing mucus out of the lungs. Keeping the lungs clear helps your child breathe easier. Read on for helpful tips and instructions.

Your child's doctor may suggest many ways to maintain lung health. These include chest physical therapy (CPT), medicines, nutrition, and exercise.

A sweat test confirms whether your child has cystic fibrosis. It's a simple and painless test. Here's what to expect before, during, and after the test.

Cystic fibrosis (CF) is a serious, chronic, inherited disorder of the glands that make mucus and sweat. Here's what you need to know if you child has CF.

Read on for details about breathing and the different parts of your child's respiratory system.

Epiglottitis is a medical emergency. It's an infection of the epiglottis, the small flap of tissue that covers the windpipe (trachea). This condition causes swelling that may close off the airway and make it hard to breathe. If not treated quickly, it can be fatal.