Feb 14, 2011 · Coughing up blood, also known as hemoptysis, can be a sign of a serious medical condition. Learn more about the causes, diagnostic tests, and treatments for hemoptysis.

Hemoptysis or haemoptysis is the discharge of blood or blood-stained mucus through the mouth coming from the bronchi, larynx, trachea, or lungs. It does not necessarily involve coughing.

Coughing up blood (hemoptysis) involves coughing or spitting up blood that’s mixed with mucus or spit. See a healthcare provider if you’re losing a lot of blood or if your symptoms don’t improve.

There are several sources of bleeding within the lung and endobronchial tree that can be responsible for hemoptysis. Causes of life-threatening and non-life-threatening hemoptysis are …

Hemoptysis is the expectoration of blood from the lower respiratory tract, usually from bronchial arteries. The most common causes are acute respiratory infections, cancer, bronchiectasis, and...

Mar 4, 2025 · What is hemoptysis? Hemoptysis is a medical term to describe the expectoration of blood from the lower respiratory tract, which is anywhere from the glottis (i.e., pharynx with …

Hemoptysis is defined as the expectoration of blood, alone or mixed with mucus, from the lower respiratory tract (1, 2). It occurs in around 10% of patients with chronic lung disease (2) and is …

Hemoptysis - Etiology, pathophysiology, symptoms, signs, diagnosis & prognosis from the Merck Manuals - Medical Professional Version.

3 days ago · Learn what hemoptysis means, its common causes, warning symptoms, and the treatment options available. Understand when coughing up blood is a medical emergency and …

Oct 22, 2025 · Hemoptysis is the expectoration of blood from the lungs and airways that often reflects bleeding at the bronchial arteries.