Diseases, Conditions, Syndromes

Q&A: Foot rash and COVID-19

DEAR MAYO CLINIC: I am prone to hives and skin rashes, and I have severe eczema and other issues that prompted a recent visit to my dermatologist. She suggested that a rash on my feet was related to COVID-19. She also suggested ...

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 ...

Health

Are 'natural' skin products irritating your skin?

Sensitive skin is a pain—sometimes literally—and for skin allergy sufferers, contact with an allergen causes an itchy red rash that may last for weeks. Common skin care products such as soaps, serums and lotions (often ...

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