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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. [9] [10] Common symptoms include fever, sore throat, red tonsils, and enlarged lymph nodes in the front of the neck.
While a sore throat can be a side effect of many other illnesses, it's the most telling symptom of strep throat - contributing to more than 5 million physician visits a year in the United States ...
A case of strep throat. 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. It is a contagious infection, spread by close contact with an infected ...
Up to 15% of acute pharyngitis cases may be caused by bacteria, most commonly Streptococcus pyogenes, a group A streptococcus in streptococcal pharyngitis ("strep throat"). [11] Other bacterial causes are Streptococcus pneumoniae, Haemophilus influenzae, Corynebacterium diphtheriae, Bordetella pertussis, and Bacillus anthracis [citation needed].
The best way to know if you have strep throat is to get tested. A test can be conducted by swabbing the throat and running a test. The rapid test will tell you in a few minutes if you have it.
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 emergency room complaining of a sore throat."
[1] [5] [6] When caused by the bacterium group A streptococcus, it is classed as streptococcal tonsillitis [11] also referred to as strep throat. [12] Rarely bacteria such as Neisseria gonorrhoeae, Corynebacterium diphtheriae, or Haemophilus influenzae may be the cause. [5] Typically the infection is spread between people through the air. [6]
In cases of severe invasive strep, patients require hospital care. Infection can spread from the throat to other parts of the body and lead to toxic shock syndrome. In rare cases, strep can even ...