Monday, March 9th 2026
Doctors explain that blood during coughing can come from the lungs, throat or even from the nose, while in some cases it can be a sign of a condition that requires immediate medical evaluation.
Coughing up blood from the airways in medical language is called hemoptysis. Although at first glance this phenomenon may seem very disturbing, doctors emphasize that in most cases the cause is not of a serious nature.
Blood can be coughed up from the lungs, throat or nose. Depending on the cause, the amount of blood can be small or large and is sometimes accompanied by a high temperature, difficulty breathing or a strong cough.
Small amounts of blood can be the result of irritation or a respiratory infection, while larger amounts may require immediate medical attention. Doctors stress that any true hemoptysis should be evaluated by a health professional, because even serious illnesses can start with mild symptoms.
It is not always a sign of a serious illness
Experts stress that mild coughing up blood can occur during upper respiratory tract infections or during viral bronchitis.
In some cases, the blood can come from a nosebleed, when blood flows down the throat. and then coughs. In this situation, it is not technically hemoptysis.
Although many people associate coughing up blood with tuberculosis or lung cancer, doctors emphasize that this symptom is not always indicative of a serious illness.
Blood in the sputum can come from the lungs, throat or nose. However, whenever such a symptom is observed, it is important to consult a doctor to determine the cause.
The most common cause is a strong cough or respiratory tract infection. Prolonged coughing can damage the small blood vessels in the throat or lungs and cause blood in the secretions.
Secretion with traces of blood can occur during upper respiratory tract infections or during bronchitis and is usually not dangerous. Bronchitis can sometimes last for several weeks and is accompanied by coughing and blood-tinged secretions.
Coughing up blood can also occur during pneumonia, flu, COVID-19 or a severe cold.
In people who suffer from seasonal allergies or have very dry nasal passages, a small amount of blood may flow from the nose into the throat and then be spat out.
If the bleeding is repeated or the cause is not clear, consultation with the doctor is recommended.
Sometimes blood in the saliva can come from dental problems. Bleeding gums, mouth sores or brushing your teeth too hard can cause small bleeding that mixes with saliva.
Doctors point out that the blood can also come from the stomach or esophagus. Causes can be acid reflux, stomach ulcers, severe vomiting, or damage to the esophagus.
Even very spicy foods, alcohol, and the use of certain anti-inflammatory drugs can irritate the stomach lining and cause bleeding.
In these cases, the blood is usually darker and can mix with food.
The color and amount of blood can help the doctor determine source:
bright red blood usually comes from the lungs or throat
pink or foamy blood usually mixes with secretions from the lungs
dark blood, similar to coffee grounds, usually comes from the stomach or esophagus
Several chronic diseases can cause coughing up blood, including:
chronic obstructive pulmonary disease lungs
In more severe cases, coughing up blood can be the result of a pulmonary embolism, an emergency and potentially fatal condition that occurs when a pulmonary artery is blocked by a blood clot.
In this case, the patient may have chest pain, difficulty breathing, rapid heartbeat and coughing up blood.
In some cases, coughing up blood can be one of the signs of lung cancer.
early stages often have no visible symptoms. In the more advanced stages, they may appear:
Coughing up blood becomes more worrying when it is accompanied by other symptoms.
Emergent medical help should be sought if they appear:
A doctor should be consulted even if blood appears several times, if there is fever, night sweats, weight loss, if the person is a smoker or has lung disease.
Doctors may recommend different tests, such as x-rays lungs, CT scan, blood and secretion tests, as well as endoscopic examinations of the respiratory tract or digestive tract.
Coughing up blood cannot always be prevented, but the risk can be reduced if:
respiratory infections are treated in time
asthma and chronic lung diseases are well controlled
The use of air humidifiers and nasal sprays is also recommended if dry air causes nosebleeds, as well as the use of protective equipment if exposed to dust or chemicals.
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Source: prizrenpost
