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    Coughing up blood

    Hemoptysis; Spitting up blood; Bloody sputum

    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 contains onlystreaks of blood.


    A number of conditions, diseases, and medical tests may make you cough up blood. These include:

    • Blood clot in the lung
    • Breathing food or other material into the lungs (pulmonary aspiration)
    • Bronchoscopy with biopsy
    • Bronchiectasis
    • Bronchitis
    • Cancer
    • Cystic fibrosis
    • Inflammation of the blood vessels in the lung (vasculitis)
    • Injury to the arteries of the lungs
    • Irritation of the throat from violent coughing (small amounts of blood)
    • Pneumonia or other lung infections
    • Pulmonary edema
    • Systemic lupus erythematosus
    • Tuberculosis

    Home Care

    Medicines that stop coughing (cough suppressants) may help if the problem comes from heavy coughing. These medicines may lead to airway blockages, so check with your doctor before using them.

    Keep track of how long you cough up blood, and how much blood is mixed with the mucus.Call your doctor any time you cough up blood, even if you do not have any other symptoms.

    When to Contact a Medical Professional

    Get medical help right away if you cough up blood and have:

    • A cough that produces more than a few teaspoons of blood
    • Blood in your urine or stools
    • Chest pain
    • Dizziness
    • Fever
    • Light-headedness
    • Severe shortness of breath

    What to Expect at Your Office Visit

    In an emergency, your doctor will give you treatments to control your condition. The doctor will then ask you questions about your cough, such as:

    • Type
      • Are you coughing up large amounts of blood (massive hemoptysis)?
      • Can you see blood when you cough up something?
      • How many times have you coughed up blood?
      • Is there blood-streaked mucus (phlegm)?
    • Time pattern
      • Did it begin suddenly?
      • Has it increased recently?
      • For how many weeks has the cough lasted?
      • Is the cough worse at night?
      • What other symptoms do you have?

    The doctor will do a complete physical exam and check your chest and lungs. Tests that may be done include:

    • Bronchoscopy, a test to view the airways
    • Chest CT scan
    • Chest x-ray
    • Complete blood count
    • Lung biopsy
    • Lung scan
    • Pulmonary arteriography
    • Sputum culture and smear
    • Test to see if the blood clots normally, such as PT or PTT


    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.


          A Closer Look

            Talking to your MD

              Self Care

                Tests for Coughing up blood

                  Review Date: 4/15/2013

                  Reviewed By: George F. Longstreth, MD, Department of Gastroenterology, Kaiser Permanente Medical Care Program, San Diego, California. Also reviewed by A.D.A.M. Health Solutions, Ebix, Inc., Editorial Team: David Zieve, MD, MHA, Bethanne Black, Stephanie Slon, and Nissi Wang.

                  The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. A licensed medical professional should be consulted for diagnosis and treatment of any and all medical conditions. Links to other sites are provided for information only -- they do not constitute endorsements of those other sites. © 1997- A.D.A.M., Inc. Any duplication or distribution of the information contained herein is strictly prohibited.

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