Streptococcal pharyngitis

Definition

Streptococcal pharyngitis, commonly known as strep throat, is an infection of the throat and tonsils caused by group A Streptococcus bacteria. It is characterized by a sore, scratchy throat and can lead to complications if untreated.

5 Must Know Facts For Your Next Test

1. Streptococcal pharyngitis primarily affects children and adolescents but can occur in adults.
2. Common symptoms include sudden onset of sore throat, pain when swallowing, fever, and red swollen tonsils with white patches.
3. Diagnosis is typically confirmed with a rapid antigen detection test (RADT) or a throat culture.
4. It is treated with antibiotics such as penicillin or amoxicillin to prevent complications like rheumatic fever.
5. Complications from untreated streptococcal pharyngitis can include rheumatic heart disease, post-streptococcal glomerulonephritis, and peritonsillar abscess.

Related terms

Group A Streptococcus (GAS): A type of bacteria responsible for infections such as strep throat and impetigo.

Rheumatic Fever:

An inflammatory disease that can develop after an infection with group A Streptococcus bacteria.

Rapid Antigen Detection Test (RADT): A diagnostic test used to quickly detect the presence of Group A Streptococcus in a throat swab.