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What does the color of mucus in the nose reveal about health?

Yellow, green, brown or black mucus is a sign that the body is having problems with health.

Mucus is responsible for keeping parts of the body from drying out. They are produced every day in the mouth, nose, sinuses, throat, lungs and stomach. Follow Cleveland ClinicThe color of mucus emitting from the nose can be a warning sign of the body having health problems such as allergies, nosebleeds, colds or sinus infections, …

Clear mucus

Healthy mucus is usually watery and clear. The composition of clear mucus includes water, proteins, antibodies and soluble salts. In addition, an allergic condition or in the early stages of a cold can also produce mucus that is clear but varies in consistency or quantity.

White mucus

Mucus in the nose that is white and becomes thicker is a sign that the body may have an infection. Because when the nose is blocked, the tissues around the nose will become swollen, inflamed and slow down the circulation of mucus. This phenomenon causes the nose to lose moisture, making the mucus thick and cloudy.

Yellow mucus

The mucus in the nose will release a yellow discharge indicating that the body is being attacked by a virus or bacteria. However, this color is good news for patients. According to Healthline, yellow is a signal that the body’s immune system is working strongly again. Because after killing bacteria, white blood cells will be eliminated and turn dark yellow.





Mucus helps to humidify and warm the air we breathe.  Photo: Freepik

Mucus helps to humidify and warm the air we breathe. Image: Freepik

Green mucus

Green mucus is also a sign of a cold. However, unlike yellow, green is a sign that the immune system is gradually exhausted in the process of fighting off invading germs. If the green mucus does not improve after 10-12 days with symptoms such as headache, fever or nausea, the person should go to the hospital for an examination. According to Healthlinewhich could be a symptom of a bacterial sinus infection or other bacterial infections that require treatment with medication.

Pink or red mucus

Pink or red mucus in the nose is due to dryness, irritation from the weather, or being affected by an injury. According to medical experts, a few spots of blood or pink mucus are not a big deal because these are signs that the lining of the nose is irritated.

Brown or black mucus

Brown or black mucus is common in heavy smokers; or people who live or work in environments with lots of smoke and coal dust. According to WebMD, this colored mucus is also present in people with chronic lung disease. Much of the color comes from a mix of blood, inflammation in the lungs.

Huyen My (According to Cleveland Clinic, WebMD)

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