An upper respiratory infection is an illness that affects the nose and throat, causing symptoms such as sneezing and coughing. Learn more about upper respiratory
Bradypnea is when a person is breathing at a slower rate than is usual for their age and activity level. Learn about bradypnea here, including
Hyperventilation refers to fast breathing. The most common cause is fear or anxiety, but underlying medical conditions may also contribute to hyperventilation. Learn more here.
Empyema is when too much fluid collects in the pleural space in the lungs. Learn about the symptoms, stages, and possible causes here. We also
Dry drowning is an outdated term. It refers to breathing problems that result when liquid causes the voice box to spasm. The condition can be