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Streptococcal pharyngitis, also known as streptococcal sore throat (strep throat), is pharyngitis (an infection of the pharynx, the back of the throat) caused by Streptococcus pyogenes, a gram-positive, group A streptococcus.
A handout on strep throat, written by the author of this article, is available at http://www.aafp.org/ afp/20090301/383-s1. ILLUSTRATION BY MICHAEL KRESS-RUSSICK
The Centor criteria are a set of criteria which may be used to identify the likelihood of a bacterial infection in patients complaining of a sore throat. They were developed as a method to quickly diagnose the presence of Group A streptococcal infection or diagnosis of streptococcal pharyngitis in "adult patients who presented to an urban ...
Streptococcal pharyngitis or strep throat is caused by a group A beta-hemolytic streptococcus (GAS). [20] It is the most common bacterial cause of cases of pharyngitis (15–30%). [ 19 ] Common symptoms include fever , sore throat , and large lymph nodes.
Streptococcal pharyngitis or strep throat is an illness that is caused by the bacteria called “ Group A Streptococcus ”. [1] . Strep throat affects the throat and the tonsils. The tonsils are the two glands in the throat at the back of the mouth. Strep throat can also affect the voice box (larynx).
Group A beta-hemolytic streptococcal (GABHS) infection causes 15% to 30% of sore throats in children and 5% to 15% in adults, and is more common in the late winter and early spring.
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Background. Anatomy of the posterior pharynx. Peak in 5-15yr old [1] Rare in <2yr of age [1] Accounts for only 15-30% of pharyngitis [1] Caused by S. pyogenes (Group A strep) [1] Peak season is late winter / early spring [1] Transmission is respiratory secretions [1] Incubation period is 24-72 hours [1]
