Podcast 600: Penicillin Allergy?
Sep 29, 2020•3 min
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Episode description
Contributor: Aaron Lessen, MD
Educational Pearls:
- True allergies to penicillin compared to reported allergies from patients ranges around 10%
- Recent study took patients undergoing sensitivity tests and developed the PEN(icillin)-FAST score to address reported penicillin allergies
- PEN-FAST has four components for a total score of 0-4:
o F = five years or less since prior reaction.
o A = Angioedema/Anaphylaxis.
o S = Severe cutaneous reaction (rash).
o T = Treatment, did they require treatment for a reaction?
- Patients with a score of 0 had
- Even a score of 1-2 points had around 5% incidence of a true allergy
References
Trubiano JA, Vogrin S, Chua KYL, Bourke J, Yun J, Douglas A, Stone CA, Yu R, Groenendijk L, Holmes NE, Phillips EJ. Development and Validation of a Penicillin Allergy Clinical Decision Rule. JAMA Intern Med. 2020 May 1;180(5):745-752. doi: 10.1001/jamainternmed.2020.0403. PMID: 32176248; PMCID: PMC7076536.
Summarized by Jackson Roos, MS4 | Edited by Erik Verzemnieks, MD
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