Keflex (Cephalexin)

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Is Cephalexin a penicillin? Discover the key differences between these common antibiotics. While both are beta-lactam drugs used for bacterial infections, cephalexin belongs to the cephalosporin class. Learn about potential cross-reactivity, allergy risks, and how healthcare providers choose the right antibiotic treatment for your specific needs in this essential guide to medication safety and drug classification.