Scratch test

Scratch test for allergy: Test done on the skin to identify the allergy substance (the allergen) that is the trigger for an allergic reaction.
Full article >>>

Alternate Names
: Patch Tests - Allergy, RAST Test, Scratch Tests - Allergy, Skin Tests - Allergy
Definition
Allergy tests are any of several tests, blood, protocols, or challenge, used to determine the substance(s) to which a person is allergic.
Full article >>>

Puncture, prick or scratch test (percutaneous). In this test, which is the type of skin test most commonly performed, tiny drops of purified allergen extracts are pricked or scratched into your skin's surface.
Full article >>>

The scratch test (one of the most common methods) involves placement of a small amount of suspected allergy-causing substances (allergens) on the skin (usually the forearm, upper arm, or the back), ...
Full article >>>

Scratch testing, in which the skin is scratched instead of punctured, is used less often. Intradermal testing involves directly injecting allergen solutions into the skin.
Full article >>>

in which different antigens (substances that cause an allergic reaction) are introduced into a patient's skin via a needle prick or scratch and then observed for evidence of an allergic reaction to one or more of them. Also known as a scratch test.
Full article >>>

Apley testsUsed in orthopedic evaluations. See Apley maneuver, Apley distraction test, Apley compression test, and Apley scratch test for details.
Full article >>>


'"/>