By Ailing Chen, MD
Pediatrics, Caughman Health Center
Acute strep pharyngitis, commonly known as strep throat, is a bacterial infection that affects the throat and tonsils. It is caused by the group A Streptococcus bacterium that can be easily spread through contact with an infected person's saliva or nasal secretions.
However, viruses are the most common cause of pharyngitis in all age groups. Experts estimate that group A strep, the most common bacterial cause, causes 20 to 30 percent of pharyngitis episodes in children. In comparison, experts estimate it causes approximately five to 15 percent of pharyngitis infections in adults.
What are the symptoms for strep throat?
The most common symptoms of strep throat include sore throat, difficulty in swallowing, fever, swollen lymph nodes in the neck and white or yellow spots on the back of the throat or tonsils. Other symptoms may include headache, abdominal pain, nausea and vomiting — especially among children. Rash on face or around the neck may be present with strep infection in some children, which is called scarlet fever.
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