Definition Strep throat is caused by Group A Streptococcus bacteria. It is the most common bacterial infection of the throat. Alternative Names Pharyngitis - streptococcal; Streptococcal pharyngitis Causes, incidence, and risk factors Strep throat is most common in children between age 5 and 15, although anyone can get it. Strep throat is spread by person-to-person contact with nasal secretions or saliva. It commonly spreads among family or household members.
Definition A streptococcal screen is a test to detect group A streptococcus, the most common cause of strep throat . Alternative Names Rapid strep test How the test is performed The test requires a throat swab. It takes about 7 minutes. The swab is tested to identify group A streptococcus. How to prepare for the test There is no special preparation. Inform the health care provider if you are taking, or have recently taken, antibiotics. How the test will feel Your throat will be swabbed in the area of the tonsils. This may make you gag. Why the test is performed Your health care provider may order this test if you have signs of strep throat or if you have symptoms of pharyngitis (sore throat).
Definition Peritonsillar abscess is a collection of infected material in the area around the tonsils. See also: Ludwig's angina Retropharyngeal abscess Alternative Names Quinsy; Abscess - peritonsillar Causes, incidence, and risk factors Peritonsillar abscess is a complication of tonsillitis . It is most often caused by a type of bacteria called group A beta-hemolytic streptococcus . Peritonsillar abscess is usually a disease of older children, adolescents, and young adults. It has become uncommon with the use of antibiotics to treat tonsillitis.
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