Streptococcal pharyngitis

Background

Most common in children aged 4-7 years

Diagnosis

CENTOR CRITERIA

  1. History of fever
  2. Absence of cough
  3. LAD
  4. Tonsillar exudate

DDx

  1. viral pharyngitis
  2. PTA
  3. retropharyngeal abscess
  4. GC pharyngitis

Treatment

CDC Guidelines for adults >15yrs old

Points
 		Treatment
4
 Rx presumptive
3
 Rx Presumptive
2
 Rapid Strep Test^
1
 Do not test/treat
0
 Do not test/treat

3 criteria = 40% PPV

4 criteria = 50% PPV

^No need for cultures after neg rapid test

Antibiotics

PCN (erythro if allergic)

See Also

See Peritonsilar Abscess

Source

3/19/06 DONALDSON (Adapted from Rosen)

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