Medical Term:

patch test

 

Definition: a test of skin sensitiveness: a small piece of paper, tape, or a cup, wet with nonirritating diluted test fluid, is applied to skin of the upper back or upper outer arm and after 48 hours the covered is compared with the uncovered surface; an erythematous reaction with vesicles occurs if the substance causes contact allergy.

See Also: photo-patch test

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Examples: glitazone, GI cocktail, etc.

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