Allergological test applying allergens to the skin to identify sensitizations.
Skin test applying small amounts of allergens to the skin to detect contact allergic reactions.
The patch test involves applying small patches containing suspected allergens directly to the skin, usually on the back. After 24 to 72 hours, observe skin reactions (redness, swelling, itching) indicating sensitization. This test primarily detects delayed contact allergies (Type IV reaction). It is less used for food allergies than for cutaneous or occupational allergies. Interpretation requires medical expertise.
Identifying cutaneous contact allergies by directly applying allergens to the skin.
To be performed by a qualified dermatologist or allergist. Respect reading times (24 to 72 hours) for accurate results. Avoid wetting or scratching tested areas during the observation period.
The patch test identifies contact allergies by observing skin reactions to applied allergens.
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