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Is the cause of coughing up blood (hemoptysis) always known?

ANSWER

In many people with hemoptysis, no cause is ever identified. Most people with unexplained hemoptysis are no longer coughing up blood six months later.

From: Coughing Up Blood (Hemoptysis) WebMD Medical Reference

SOURCES:

Mason, R. , 5th edition, Saunders, 2010. Cahill, B.C. 1994; vol 15: pp 147-167. Murray and Nadel’s Textbook of Respiratory MedicineClinics in Chest Medicine,

Hirshberg, B. , 1997; vol 112: pp 440-444. Chest

Adelman, M. 1985; vol 102: pp 829-834. Annals of Internal Medicine,

Chang, J.C. 1987; vol 4: pp 49-54. Sarcoidosis,

Reviewed by Nayana Ambardekar on November 18, 2017

SOURCES:

Mason, R. , 5th edition, Saunders, 2010. Cahill, B.C. 1994; vol 15: pp 147-167. Murray and Nadel’s Textbook of Respiratory MedicineClinics in Chest Medicine,

Hirshberg, B. , 1997; vol 112: pp 440-444. Chest

Adelman, M. 1985; vol 102: pp 829-834. Annals of Internal Medicine,

Chang, J.C. 1987; vol 4: pp 49-54. Sarcoidosis,

Reviewed by Nayana Ambardekar on November 18, 2017

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How does surgery treat coughing up blood (hemoptysis)?

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