Strep throat is an infection of the back of the throat including the tonsils caused by group A streptococcus.
Signs and symptoms:
Symptoms typically begin one to three days after exposure and last seven to ten days.
- A sore throat
- Tonsillar exudates
- Large cervical lymph nodes
- Nausea and vomiting
- Abdominal pain
- Muscle pain
- Scarlatiniform rash
- Palatal petechiae
The strep throat is caused by group A beta-hemolytic streptococcus (GAS or S. pyogenes).
group A beta-hemolytic streptococci and fusobacterium may also cause pharyngitis.
- The absence of a cough
- Swollen and tender cervical lymph nodes
- Temperature >38.0 °C (100.4 °F)
- Tonsillar exudate or swelling
- Age less than 15 (a point is subtracted if age >44)
- A throat culture is a diagnostic test.
- A positive throat culture or RADT in association with symptoms establishes a positive diagnosis in those in which the diagnosis is in doubt.
- Viscous lidocaine
- Steroids (not recommended)
- Penicillin V (Antibiotic of choice)
- Benzathine penicillin G
Erythromycin (If the patient is allergic to penicillin)
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