Hemoptysis (patient information)

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What are the causes?

When to seek urgent medical care?


Treatment options

Where to find medical care for Hemoptysis?

Hemoptysis On the Web

Ongoing Trials at Clinical Trials.gov

Images of Hemoptysis

Videos on Hemoptysis

FDA on Hemoptysis

CDC on Hemoptysis

Hemoptysis in the news

Blogs on Hemoptysis

Directions to Hospitals Treating Hemoptysis

Risk calculators and risk factors for Hemoptysis

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Raviteja Guddeti, M.B.B.S. [2]


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.

What causes Hemoptysis?

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

When to seek urgent medical care?

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


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

  • 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?

Tests that may be done include:

Treatment options

Cough suppressants may help if this condition is due to throat irritation from violent coughing. However, cough suppressants may lead to airway blockages in some cases. Always check with your doctor before using them.

It is very important to note how long you cough up blood, and how much blood is mixed with the mucus. Contact your doctor any time you cough up blood, even if you do not have any other symptoms.