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.
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.
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.
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