Tag: antibiotic allergy

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Beta-Lactam Allergies: Penicillin vs Cephalosporin Reactions Explained

Most people labeled penicillin-allergic aren't truly allergic. Learn how penicillin and cephalosporin reactions differ, why cross-reactivity is overblown, and how to safely get your allergy label removed.

Harveer Singh, Feb, 10 2026