β-Lactam Allergy

Minor Penicillin Allergies

  • Itching

  • Non-specific rash

Cross-reactivity with 3rd and 4th generation cephalosporins is low (<3%)

The benefit of β-lactam antibiotics outweighs the potential risk

Severe β-lactam Allergies + Low Risk of Fluoroquinolone Resistance

  • Anaphylaxis

  • No prior fluoroquinolone use within the past 12 months,

  • Non-residents of a nursing home or skilled nursing care facility, etc.

Severe β-lactam Allergies + Risk Factors For Fluoroquinolone Resistance

Contact Prisma Health-Midlands Antimicrobial Stewardship and Support Team (PHASST) during business hours or an infectious diseases specialist for optimal empirical antimicrobial therapy or evaluation for penicillin skin testing