Centor Score Calculator

Strep throat probability.

Age

Fever > 38°C

Tonsillar exudate

Tender anterior cervical nodes

Cough present

Score (/5) 3

Strep probability ~25%

Step-by-step with your numbers:

1. Values used:

2. Age = 0

3. Fever > 38°C = 1

4. Tonsillar exudate = 1

5. Tender anterior cervical nodes = 1

6. Cough present = 0

7. Score = 3/5

8. Strep probability = ~25%

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Centor criteria estimate strep throat probability. Not a diagnosis.

FAQ

Test needed?

Score ≥3 often prompts a rapid strep test. See a doctor.