Q: Why am I spitting up blood?

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Spitting up blood indicates bleeding that may originate in the mouth, digestive tract, or respiratory system. There are various causes of spitting blood. Gum disease is a common cause. Digestive tract conditions that can cause it include esophagitis and gastritis. Respiratory conditions include pneumonia, lung cancer, and tuberculosis.

See your doctor right away if you are spitting or coughing up blood. Seek immediate medical care if bleeding is severe or you have other symptoms, such as shortness of breath or chest pain.

More About Spitting Up Blood

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  1. Coughing up Blood. Medline Plus, a service of the National Library of Medicine National Institutes of Health.
  2. Gastrointestinal Bleeding. Medline Plus, a service of the National Library of Medicine National Institutes of Health.
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