Group A streptococci are the leading bacterial cause of pharyngitis in children and adults. Because inappropriate antibiotic treatment for pharyngitis is becoming a major issue, only true group A ...

Penicillin is the most commonly recommended therapy for group A streptococcal (GAS) pharyngitis. Although group A streptococcus has not developed resistance, antibiotic therapy fails to eradicate ...

Strep throat is a bacterial infection in the throat and tonsils that is highly contagious. It's commonly characterized by a sore and swollen throat, a fever, and pain when swallowing. Antibiotics ...

Medically reviewed by Benjamin F. Asher, MD Chronic pharyngitis—also known as a chronic sore throat or persistent sore throat ...