Medically reviewed by Mary Choy, PharmD Key Takeaways Thick mucus in the throat can result from infections like colds or ...

Mucus is a slippery, protective substance that keeps your airways, throat, and digestive tract moist, trapping and clearing out dust, allergens, and germs to help protect against irritation and ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." It’s never any fun feeling under the weather, but when a common cold is paired with excess phlegm, it ...

Clear, bubbly phlegm does not typically indicate a problem. However, coughing up large amounts could indicate an underlying health issue, such as fluid in the lungs. Phlegm, or sputum, is a type of ...

That scratchy feeling in your throat might signal more than just seasonal sniffles. As weather patterns shift and pollen counts fluctuate, millions of Americans face the annual guessing game: is this ...

Cystic fibrosis (CF) mucus can clog the lungs and digestive tract. Although there is no cure for CF, medications and therapies can help thin this mucus. Share on Pinterest ArtMarie/Getty Images Cystic ...

After 12 weeks of nebulized NAC, patients’ mean phlegm scores, as measured by the COPD assessment test, significantly decreased from 3.47 at baseline to 2.62. N-acetylcysteine (NAC) nebulizer therapy ...

A sore throat refers to pain, itchiness, or irritation of the throat. Throat pain is the primary symptom of a sore throat. It may get worse when you try to swallow, and you may have difficulty ...