When you're sick you'll often produce more phlegm, and might notice it's thicker or a different color: white, green, yellow or maybe even brown. We all produce mucus, even when healthy. Mucus is a ...

The body produces mucus to lubricate and protect certain parts of the body, including the urinary tract. Some mucus in the urine is normal, but an increase may be a sign of an underlying condition ...

Mucus consists mainly of water and a gel-forming molecule called mucin. The body uses mucus to protect tissues, remove particles, and prevent infections. Mucus is essential for the functioning of many ...

Cervical mucus is a fluid or gel-like discharge from the cervix. It changes throughout the menstrual cycle. When tracked, it can help predict ovulation. Throughout the menstrual cycle, fluctuating ...

Phlegm is naturally clear. So, if your phlegm is a different color, such as yellow or green, you may have a viral or bacterial infection. Brown, red, or black phlegm may be a sign of a more serious ...

Bloody, brown, white, yellow, or green phlegm may be a sign of an underlying condition or infection. Viral and bacterial infections, allergies, and respiratory illnesses can cause phlegm as a symptom.

Phlegm is a form of respiratory mucus produced by the lungs. The airways between the larynx and the respiratory bronchioles are lined by columnar epithelium over which an airway surface liquid (ASL) ...

There’s no way around it: Coughing up phlegm feels gross, especially if you’re already dealing with other unpleasant symptoms from a cold or other respiratory infection. The good news is that some ...

When you’re sick you’ll often produce more phlegm, and might notice it’s thicker or a different colour: white, green, yellow or maybe even brown. What can this phlegm – also called mucus, snot, sputum ...