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My doctor talked about a patch to detect allergies. Is there more than one for antibiotic versus everyday allergies?

1 doctor weighed in
Dr. John Chiu
Internal Medicine - Allergy & Immunology

In brief: Contact allergy

Patch test is usually used to detect a contact allergy to a material involving the skin.
It is read at 48-72 hours after application vs the allergy skin test which is read at 15-20 mins. Atopic patch test for food allergy has been used but the significance remain controversial and does needing more studies.

In brief: Contact allergy

Patch test is usually used to detect a contact allergy to a material involving the skin.
It is read at 48-72 hours after application vs the allergy skin test which is read at 15-20 mins. Atopic patch test for food allergy has been used but the significance remain controversial and does needing more studies.
Dr. John Chiu
Dr. John Chiu
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