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 ...

An anal abscess is a collection of infected fluid, or pus, around the rectum or anus. Symptoms include pain, inflammation, constipation, and a discharge of pus. Share on Pinterest PER Images/Stocksy ...

A retropharyngeal abscess is a life-threatening collection of pus that forms in the back of the throat. It typically develops when the lymph nodes behind your throat become infected. They may have ...

Add Yahoo as a preferred source to see more of our stories on Google. However, around 20% to 30% of patients with nocardiosis have no known pre-existing conditions, so the infection doesn't ...