PEN-FAST

by Sarah Moorein Patient Caseson Posted on

PEN-FAST

🧓🏾 reports a penicillin allergy. You learn he had a non-itching rash in his early 20s but no difficulty breathing or need for treatment. 🏥

Is it appropriate to challenge his penicillin allergy with oral amoxicillin? 💊

How did others respond?

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Best Answer:

Yes challenge 💊

Explanation: This patient is at very low risk of a true penicillin allergy according to the PEN-FAST score.

A randomized controlled trial found that PEN-FAST scores < 3 were noninferior to penicillin skin testing to assess oral challenge safety. 👍

Pull out PEN-FAST to determine if a penicillin allergy challenge and de-labeling is appropriate! 📋

Learn how to calculate a PEN-FAST score by clicking on the link below.

Click here for details/references