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Coughed some bloody sputum or phlegm? Having sinus problems too. Must be related?
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Dr. Stephen Siegel
Internal Medicine - Pulmonology
In brief: Multicauses possilbe
Blood sputum or hemoptysis can be caused by bleeding from the sinus in sinusitis.
Some of the other causes include: re are many conditions involving hemoptysis, including bronchitis and pneumonia, cancer, infections, pulmonary embolism, blood vessel malformations, foregin body in respiratory tract. Most of these possibilities can be evaluated by your doctor. Can't know if it is from sinuses.

In brief: Multicauses possilbe
Blood sputum or hemoptysis can be caused by bleeding from the sinus in sinusitis.
Some of the other causes include: re are many conditions involving hemoptysis, including bronchitis and pneumonia, cancer, infections, pulmonary embolism, blood vessel malformations, foregin body in respiratory tract. Most of these possibilities can be evaluated by your doctor. Can't know if it is from sinuses.
Dr. Stephen Siegel
Dr. Stephen Siegel
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