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Strep Throat


Overview of Strep Throat

overview

Many viruses and bacteria can lead to infections of the throat. Group A streptococcus, or Streptococcus pyogenes, is the microorganism responsible for streptococcal pharyngitis. It can occur in all ages, but is most common in childhood. This organism is also responsible for the post infectious syndromes of acute rheumatic fever and post streptococcal glomerulonephritis. Streptococcus infections in the throat can also lead to the development of Scarlet fever, through the release of a toxin formed by the bacteria. Some people may be carriers of these bacteria without producing clinical symptoms.

Causes of Strep Throat

causes

Throat infections, or pharyngitis and tonsillitis, are usually caused by group A Streptococcus. the infection is spread person-to-person by saliva or nasal secretions.

Signs and Symptoms of Strep Throat

signs and symptoms

After exposure to someone with streptococcal pharyngitis, infection may occur within 1 to 4 days. Symptoms include sore throat, fever and chills, and malaise. Painful swallowing is common. Loss of appetite occurs. Tender, swollen lymph nodes in the neck develop. The tonsils and throat appear bright red. The tonsils may have a covering or specks of pus on them.


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