Guidelines
Further Assessment

Further Assessment

Further assess the allergy

How long ago?

What specific agent?

Re-challenged?

Penicillin Skin Testing

Positive Penicillin Skin Test

  • Avoid all penicillins as well as beta-lactams with a similar side chain or consider desensitization or select a non-beta-lactam antibiotic

Negative Penicillin Skin Test

  • Consider oral challenge in a monitored setting; if negative, penicillin class antibiotics may be used

Convincing history of an IgE-mediated reaction

  • Avoid all penicillins as well as beta-lactams with a similar side chain or consider desensitization or select a non-beta lactam antibiotic

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