Lungs and Airways

Fluid in the Lungs (Pulmonary Edema) Causes and Treatment

Fluid in the lungs specifically refers to a condition known as pulmonary edema. However, the term may sometimes be confused with other conditions like fluid outside or aroun the lungs which is pleural effusion. Both causes characteristic symptoms, like a bubbling sound in the lungs (rales) when breathing. The term >> Read More ...

Causes of Chronic Cough – Persistent, Constant Coughing

Definition of Chronic Cough A cough is a forceful ‘push’ of exhaled air that is either done voluntarily or as a reflex action (involuntary). A chronic cough is usually considered to be any cough that is persisting for more than 3 months. It may be constant, where the patient coughs every few minutes or it can >> Read More ...

Coughing and Spitting Up Blood (Hemoptysis) or Bloody Mucus

How Can the Blood Appear in the Mouth? Blood in the mouth can originate from the mouth, throat and any part of the airway (nose, paranasal sinuses, voice box, windpipe, bronchi), lungs or upper gut (esophagus or stomach). The presence of blood in the mouth is not always a cause for concern. However, coughing up blood is a >> Read More ...

Coughing Up Excessive Phlegm (Mucus, Sputum) from the Throat

What is Phlegm? Phlegm (pronounced flem; from Greek phlegma = inflammation) is an informal name for mucus coughed up from the throat. In this article, a term phlegm will be used only for mucus produced in the mucous layer of bronchi and windpipe (trachea). Medical term for phlegm is expectorated matter or sputum. Phlegm >> Read More ...
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