Calc Function

    • Calcs that help predict probability of a diseaseDiagnosis
    • Subcategory of 'Diagnosis' designed to be very sensitiveRule Out
    • Disease is diagnosed: prognosticate to guide treatmentPrognosis
    • Numerical inputs and outputsFormula
    • Med treatment and moreTreatment
    • Suggested protocolsAlgorithm

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    Attention COACH STUDY participants:

    The principal investigators of the study request that you use the official version of the modified score here.

    Penicillin Allergy Decision Rule (PEN-FAST)

    Identifies low-risk penicillin allergies.

    INSTRUCTIONS

    Apply this calculator to patients who have reported a penicillin allergy.

    When to Use

    Do you use the Penicillin Allergy Decision Rule (PEN-FAST) and want to contribute your expertise? Join our contributor team!

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    Evidence
    Creator Insights
    Dr. Jason A. Trubiano

    About the Creator

    Jason A. Trubiano, MD, is an associate professor of infectious disease at the University of Melbourne in Australia. He was received the ESCMID Young Investigator Awards for Research in Clinical Microbiology and Infectious Diseases in 2021. Dr. Trubiano’s primary research is focused on infectious diseases in immunocompromised patients, antibiotic allergy, and antimicrobial stewardship.

    Are you Dr. Jason A. Trubiano? Send us a message to review your photo and bio, and find out how to submit Creator Insights!
    MDCalc loves calculator creators – researchers who, through intelligent and often complex methods, discover tools that describe scientific facts that can then be applied in practice. These are real scientific discoveries about the nature of the human body, which can be invaluable to physicians taking care of patients.
    About the Creator
    Dr. Jason A. Trubiano
    Are you Dr. Jason A. Trubiano?