McIsaac Score (Modified Centor)

Centor score adjusted for age — extends applicability down to age 3.

For healthcare professionals.These calculate a score or a measurement from values you enter. They do not diagnose, and they are no substitute for clinical judgement. If you are a patient, discuss any result with your own doctor rather than acting on it.

Tonsillar exudate

Tender anterior cervical lymphadenopathy

Fever by history

Absence of cough

Age

Enter the values above to see the result.

Source

McIsaac WJ, White D, Tannenbaum D, Low DE. A clinical score to reduce unnecessary antibiotic use in patients with sore throat. CMAJ. 1998;158(1):75-83.

Shown for reference and checked against the source above. Confirm against current guidance before acting on it, and use your own clinical judgement.

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