Why does mucus turn yellow

Mold is a type of fungus that grows in moist areas and can trigger allergic reactions. Mold allergies are generally not life threatening. Looking for the best over-the-counter nasal spray to help with congestion or allergies?

We've crafted a list of the top 6 nasal sprays that you can…. Health Conditions Discover Plan Connect. Medically reviewed by Elaine K. Luo, M. Snot color chart Clear snot White snot Yellow snot Green snot Pink or red snot Brown or orange snot Black snot Snot texture See your doctor Tips for relief Takeaway We include products we think are useful for our readers.

Why snot changes color. What do the different snot colors mean? What does clear snot mean? What does white snot mean? What does yellow snot mean? What does green snot mean? What does pink or red bloody snot mean? What does brown or orange snot mean?

What does black snot mean? What if the snot texture changes? When to see your doctor. How to get rid of snot drainage or congestion.

The bottom line. Read this next. Medically reviewed by Graham Rogers, M. Killer Sinus Infection? Trending Topics.

What Parents Need to Know. Share this article via email with one or more people using the form below. Send me expert insights each week in Health Essentials News. Consistently rated one of the worst words in the English language, "phlegm" is hardly a great conversation starter. Medically speaking, however, your phlegm can be an important barometer for your health. Serious changes in your phlegm can be a valid reason to speak to your physician. Importantly, you can observe these changes quickly and easily, and these can help you decide if you need to seek medical attention," explained Dr.

Barbara Kreel, Geisinger otolaryngologist. The body uses mucus to trap germs and contaminants. Many parts of the body produce mucus, like the GI tract, throat, nose, sinuses, mouth and more.

Phlegm is mucus from your lungs and lower airways that protects against germs and foreign contaminants like pollution. White phlegm is normally no cause for alarm. Stay on top of latest health news from Harvard Medical School. Recent Blog Articles. Health news headlines can be deceiving. Why is topical vitamin C important for skin health? Preventing preeclampsia may be as simple as taking an aspirin.

Caring for an aging parent? Tips for enjoying holiday meals. A conversation about reducing the harms of social media. Menopause and memory: Know the facts. How to get your child to put away toys. Is a common pain reliever safe during pregnancy? Print This Page Click to Print. Staying Healthy.