Coughing Up Blood: Overview, Causes & Symptoms
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What causes coughing up blood? 32 possible conditions

Seeing blood when you cough can be alarming, whether it’s a large or small amount. Coughing up blood is nearly always a symptom of a disease. The blood can come from the throat, lungs, or stomach. The medical term for coughing up blood is hemoptysis. The... Read more

See a list of possible causes in order from the most common to the least.


Lung Cancer Overview

Lung cancer is a cancer that originates in the lungs. Lung cancer often goes undetected in the early stages, since symptoms don't usually present themselves until the advanced stages of the disease.

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Pulmonary Edema

This condition is considered a medical emergency. Urgent care may be required.

Pulmonary edema is a condition in which the lungs fill with fluid. When this occurs, the body struggles to get enough oxygen, often resulting in breathlessness, coughing, excessive sweating, and bluish skin or lips.

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Tuberculosis (TB) is a highly infectious disease that primarily affects the lungs. Read more on whom it affects and how to treat it.

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Chronic Bronchitis

Learn about the causes and treatment of acute bronchitis.

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Pulmonary Embolism

This condition is considered a medical emergency. Urgent care may be required.

A pulmonary embolism is a blood clot that occurs in the lungs. It can damage part of the lung and other organs and decrease oxygen levels in the blood.

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Bronchiectasis causes symptoms like chronic coughing, coughing up blood, wheezing, and shortness of breath. Read about treatment options.

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Pneumonia is an infection of the lungs caused by fungi, bacteria, or viruses. General symptoms include chest pain, fever, cough, and difficulty breathing.

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Congestive Heart Failure (CHF)

Congestive heart failure (CHF) is a chronic condition that affects the chambers of your heart. CHF refers to fluid buildup around your heart.

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MRSA (Staph) Infection

MRSA is an infection caused by a type of staph bacteria that's resistant to many different antibiotics. Learn about its symptoms, causes, and treatment.

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Cystic Fibrosis

Cystic fibrosis causes severe damage to the respiratory and digestive systems. Learn about its symptoms, causes, diagnosis, and treatment.

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Small Cell Lung Cancer

Small cell lung cancer is a very aggressive form of lung cancer. Learn about small cell lung cancer symptoms, risk factors, diagnosis, and treatment.

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Non-Small Cell Lung Cancer

Non-small cell lung cancer (NSCLC) is the most common type of lung cancer. Swelling of the face is one potential sign of lung cancer.

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Transfusion Reactions

A transfusion reaction is when your body has an adverse response to a blood transfusion. Learn how transfusion reactions occur and how to minimize your risk.

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Acute Mountain Sickness

Acute mountain sickness, or altitude sickness, is a condition that occurs when your body can't adjust to a high level of altitude.

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Kaposi's Sarcoma

Kaposi's sarcoma is a cancerous tumor associated with a virus that typically appears on the skin and around the mouth, nose, genitals, or anus.

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Ebola Virus and Disease

This condition is considered a medical emergency. Urgent care may be required.

Ebola disease is a rare, often fatal illness. One of its late-stage symptoms is a bleeding rash over the entire body.

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Getting a Handle on Aspiration Pneumonia

This condition is considered a medical emergency. Urgent care may be required.

Aspiration pneumonia is an inflammation (usually due to an infection) of your lungs and bronchial tubes that occurs after you inhale foreign matter.

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Goodpasture syndrome

Goodpasture syndrome is a rare condition that occurs when your immune system attacks the walls of your lungs and the tiny filtering units in your kidneys.

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Mitral Valve Stenosis

Mitral valve stenosis, also known as mitral stenosis, is when the mitral valve opening is narrowed. This means that not enough blood can flow through it.

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The Plague

The plague is a serious bacterial infection that can be deadly. It's caused by poor sanitation, overcrowding, and large rodent populations.

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This feature is for informational purposes only and should not be used to diagnose.
Please consult a healthcare professional if you have health concerns.