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

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

Sources |

Reviewed by Brunilda Nazario on July 20, 2020

Medically Reviewed on 7/20/2020

SOURCES:

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

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

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

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

Reviewed by Brunilda Nazario on July 20, 2020

SOURCES:

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

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

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

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

Reviewed by Brunilda Nazario on July 20, 2020

From: Hemoptysis (Coughing Up Blood)

Does coughing up blood (hemoptysis) always come from bleeding in the lungs and airways?

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