Having black or dark phlegm or mucus can cause worry. However, it can be caused by many factors, including exposure to pollutants. It can sometimes be due to an infection or other health condition.

I am a board certified psychiatric nurse practitioner treating clients throughout the life span(children and Adults). I specialize in diagnosing and treating a ...

What do Mucinex products treat? Mucinex products are commonly used to treat cough, cold, and flu symptoms. Some Mucinex products are used to relieve symptoms caused by allergies. Mucinex products may ...

Melissa Fiorenza is a writer with over 15 years of experience covering topics in health and fitness, parenting, beauty, and women's issues. Her work appears in publications including Health, ...

Susan Bard, MD, is a board-certified general and procedural dermatologist with the American Board of Dermatology and a Fellow of the American College of Mohs Surgery. Snail mucin can hydrate and make ...