Medications

Why should I be evaluated for a penicillin allergy?

Taking action to be evaluated for a penicillin allergy can impact your health, safety and wallet. According to the Centers for Disease Control and Prevention, 10% of the U.S. population reports a penicillin allergy, but less ...

Health

Q&A: All about food allergies and intolerances

I'm a grandmother to three wonderful grandchildren. My oldest grandchild is lactose intolerant. Recently, my youngest grandchild was diagnosed with a peanut allergy. What is the difference between food intolerance and allergy?

Immunology

Q&A: Testing for food allergies and sensitivities

DEAR MAYO CLINIC: I have struggled with stomach issues for many years. Is it possible my upset stomach can be an allergy or sensitivity to certain foods? I want to feel better, and I am curious about testing that may be available ...

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