Tag: serum sickness-like reaction

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Jan, 6 2026

Serum Sickness-Like Reactions to Antibiotics: What Parents and Doctors Need to Know

Serum sickness-like reactions are delayed immune responses to antibiotics like cefaclor and amoxicillin, often mistaken for allergies. They cause rash, fever, and joint pain but are not life-threatening and don't require lifelong antibiotic avoidance.