Peritonsillar abscess, also known as quinsy, is a bacterial infection that causes pus to collect near the tonsils and the back of the throat. It usually starts with bacteria responsible for strep ...

Most group A strep infections cause mild illnesses like strep throat — but when that bacteria spreads to the blood and deep tissue, it can trigger streptococcal toxic shock syndrome, a lethal ...

"Antibiotics for strep throat reduce how long you are sick and prevent the infection from getting more severe and spreading to other parts of the body," she said. Group A strep bacteria commonly ...