Vomiting is the body’s way of expelling harmful substances. It is not necessarily a sign of a serious problem, and it usually only lasts a day or two. There are many potential causes of vomiting. Some ...

It’s never any fun feeling under the weather, but when a common cold is paired with excess phlegm, it makes matters even worse. This can lead to irritating symptoms, such as coughing, a sore throat, ...

Mucus is a thin, slippery fluid that lines the nose, throat, and other passages to trap dust and germs. Phlegm is a thicker type of mucus produced in the lungs to catch and remove harmful particles ...

Phlegm is a form of respiratory mucus produced by the lungs. The airways between the larynx and the respiratory bronchioles are lined by columnar epithelium over which an airway surface liquid (ASL) ...

Phoebe Williams receives funding from the National Health and Medical Research Council, the Medical Research Future Fund, and the Gates Foundation. Niall Johnston does not work for, consult, own ...

Healthy phlegm is usually clear and runny, but many different health conditions can change the consistency or color. Phlegm, also called sputum, is mucus produced by your lungs that helps protect your ...