PEN-FAST Penicillin Allergy Rule
PEN-FAST Penicillin Allergy Rule - a deterministic tool in Sophie Well's Clinical Scoring & Risk group.
Open the PEN-FAST Penicillin Allergy Rule → Runs in your browser. No signup, no tracking.
What this is
PEN-FAST Penicillin Allergy Rule is one of 230 deterministic tools in Sophie Well's Clinical Scoring & Risk group. PEN-FAST Penicillin Allergy Rule - a deterministic tool in Sophie Well's Clinical Scoring & Risk group.
When to use it
Use this tool when you need a quick, citable reference. Every calculation runs entirely in your browser - no inputs leave your device, no account is required, no AI is involved. The site enforces a strict Content Security Policy and ships no analytics or third-party CDN.
References
Trubiano JA, Vogrin S, Chua KYL, et al. Development and validation of a penicillin allergy clinical decision rule (PEN-FAST). JAMA Intern Med. 2020;180(5):745-752. Read the source ↗
Worked example: PEN-FAST score 4 of 5 — not low risk (>= 3), refer for allergist evaluation.
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