Dysphonia is a common, frequently harmless condition that describes impaired voice production. Symptoms and treatment of dysphonia depend on the underlying cause, such as infection of the larynx ...

Mark Gurarie is a writer covering health topics, technology, music, books, and culture. He also teaches health science and research writing at George Washington University's School of Medical and ...

A person may lose their voice for many reasons unrelated to sickness or infection. This may include vocal overuse, vocal cord nodules, and laryngopharyngeal reflux. The larynx contains flaps of tissue ...

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.