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      • Hemoptysis is when you cough up blood from your lungs. It can be a sign of a serious medical condition. Infections, cancer, and problems in blood vessels in your lungs can cause it. Unless you have bronchitis, you need to see a doctor if you’re coughing up blood.
  1. Oct 10, 2022 · Coughing up blood can be a sign of a serious medical condition. Seek emergency care if you’re coughing up large quantities of blood. If you're coughing up small amounts of blood for longer than a week, make an appointment with a healthcare provider.

  2. Aug 27, 2021 · Appearance. Causes. Tests that may be needed. Treatment. Prevention. Outlook. Some common causes of coughing up blood are respiratory infections, asthma, bronchitis, pneumonia, or...

    • Brian Krans
  3. Jan 26, 2024 · If the blood is bright red, frothy, and sometimes mixed with mucus, it probably comes from the lungs, as with hemoptysis, and can result from persistent coughing or a lung infection.

  4. Apr 29, 2024 · 1. Airway irritation from coughing. Having airway irritation from a severe or chronic cough is one of the most common causes of having blood in mucus. Coughing can irritate the walls of the airways in the lungs or the throat. And this can result in blood streaks in mucus or bloody phlegm.

  5. Aug 19, 2022 · Hemoptysis causes sputum (the material you cough up) that’s bright red or pink and frothy. Pseudohemoptysis looks very similar. Tests might be the only way to tell the difference.

  6. Dec 22, 2023 · Coughing up blood (hemoptysis) can be a sign of many different things, including a chest infection like pneumonia, a chronic lung disease like COPD, a traumatic chest injury, or even a cardiovascular condition. In rare cases, coughing up blood or blood in mucus (phlegm) may be a sign of lung cancer.

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  8. Jul 13, 2022 · Coughing up blood can be very mild, such as blood-tinged sputum, or as severe as significant bleeding when coughing. The color can vary from red to brown.

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