Also called strep throat, a bacterial infection that may cause a sore, scratchy throat.
Strep throat (streptococcal pharyngitis) is a bacterial infection. If untreated, it can cause complications such as kidney inflammation and rheumatic fever.
Signs and symptoms include red and swollen tonsils, swollen lymph glands in the neck, fever, and headache.
Treatment involves antibiotics and medications to reduce pain and fever.