Why Do I Cough Up Dark Mucus

A reflex action involving sudden noisy expulsion of air from the lungs. Cough is not always related to an underlying condition. It may be caused by: Very common A viral infection of the upper respiratory tract. This results in sneezing, stuffy nose and runny nose. Symptoms may include: Very common A disorder caused by allergy-causing substance, called allergens.

Allergens could be pollen, dust, and pet hair. The common symptoms include sneezing and running nose. Symptoms may include: Very common A lung disorder characterized by narrowing of the airways, the tubes which carry air into the lungs, that are inflamed and constricted, causing shortness of breath, wheezing and cough. Symptoms may include: Very common It is a common, preventable and treatable disease that is characterized by persistent respiratory symptoms like progressive breathlessness and cough. Symptoms may include: Very rare A contagious infection caused by bacteria that mainly affects the lungs but can also affect any other organ including bone, brain and spine. Symptoms may include: Very common Acute infections involving the nose, throat, pharynx, larynx which is characterized by sore throat, sneezing, stuffy nose and cough. Symptoms may include: For informational purposes only. Consult a medical professional for advice. Reviewed by a panel of doctors. Source: Focus Medica. Learn more Coughing up Brown Mucus | Causes for Different Phlegm Coughing up phlegm but not sick: Causes, phlegm colors Coughing up Brown Mucus | Causes for Different Phlegm Coughing up Brown Mucus | Causes for Different Phlegm