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7 Possible Reasons You Are Coughing Up Blood

Causes of bloody mucus range from an irritated throat to lung cancer.

Hilary WeissmanMera Goodman, MD, FAAP
Written by Hilary Weissman | Reviewed by Mera Goodman, MD, FAAP
Updated on March 21, 2024
Reviewed by Mera Goodman, MD, FAAP | March 19, 2024

Because of a popular trope in movies, many people think of tuberculosis when they think of coughing up blood (hemoptysis). However, there are many other causes of bloody mucus.

References

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Hilary Weissman
Written by:
Hilary Weissman
Hilary Weissman has been a health writer for the past 6 years. She was a senior copywriter at WW (Weight Watchers) before joining GoodRx and was also a copy editor in S&P Global’s structured finance ratings group for 3 years prior.
Mera Goodman, MD, FAAP, is a board-certified pediatrician. Prior to practicing medicine, she worked as a management consultant.

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