Coughing up blood - Overview
Hemoptysis; Spitting up blood; Bloody sputum
Definition of Coughing up blood:
Coughing up blood is the spitting up of blood or bloody mucus from the lungs and throat (respiratory tract).
Hemoptysis is the medical term for coughing up blood from the respiratory tract.
Coughing up blood is not the same as bleeding from the mouth, throat, or gastrointestinal tract.
Blood that comes up with a cough often looks bubbly because it is mixed with air and mucus. It is usually bright red, although it may be rust-colored. Sometimes the mucus may only contain streaks of blood.
A number of conditions, diseases, and medical tests may make you cough up blood, including:
- Reviewed last on: 5/1/2011
- Denis Hadjiliadis, MD, Assistant Professor of Medicine, Division of Pulmonary, Allergy and Critical Care, University of Pennsylvania, Philadelphia, PA. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.
Brown CA III. Hemoptysis. In: Marx JA, ed. Rosen's Emergency Medicine: Concepts and Clinical Practice. 7th ed. Philadelphia, Pa: Mosby Elsevier; 2009:chap 31.
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