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Penicillin Allergy Overdiagnosis
- About 10% of Americans are labeled with a penicillin allergy.
- However, 90-95% of those labeled are not truly allergic.
Reasons for Penicillin Allergy Mislabeling
- Penicillin allergies often fade over time (80% in ten years).
- Viral rashes, side effects, and family history are often mistaken for allergies.
Misdiagnosed Childhood Rash
- Dan Tobin developed a rash after taking amoxicillin for a viral infection as a child.
- It was mislabeled as a penicillin allergy, highlighting confusion between viral and drug-induced reactions.