skin prick test

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Related to skin prick test: RAST test

skin prick test



A means of assessing hypersensitivity to an allergen in which a small quantity of a suspected allergen is placed on the end of a needle, which is then used to penetrate the skin. A positive reaction to the test occurs when a wheal rises at the puncture site.


SPT occasionally triggers life-threatening allergic reactions (anaphylaxis). Patients undergoing allergy testing should be closely monitored for wheezing, stridor, hypotension, tachycardia, and other findings that suggest anaphylaxis or anaphylactoid reactions. They should be promptly treated with intramuscular epinephrine, antihistamines, inhaled bronchodilators, and oxygen if any of these reactions occur. Corticosteroids are used to prevent a biphasic reaction, in which symptoms recur several hours after initial treatment. Clinics where skin prick tests are performed should have a stock of resuscitation equipment ready in the room during allergy testing.
Medical Dictionary, © 2009 Farlex and Partners
References in periodicals archive ?
Recognition and frequency determination of common allergens in allergic patients of Zanjan city by skin prick test. ZUMS Journal.
Relationship between oral challenges with previously uningested egg and egg-specific IgE antibodies and skin prick tests in infants with food allergy.
Skin prick tests were done for all participants with commercial allergens, including: epithelial allergens of a cat, cattle, dog, goat, gerbil, hamster, horse, rabbit, rat and mouse; bird feather allergens of a canary, chicken, duck, goose and parakeet, and allergen extracts of 2 species of mites, Dermatophagoides pteronyssinus and Dermatophagoides farina (GREER, USA).
Children whose skin prick tests showed wheals of larger than 4 mm in diameter were excluded for presumed existing peanut allergy.
Unfortunately, physicians and technicians at the National Institute of Health, Islamabad, are unaware of the basic requirements of even performing a skin prick test, leave alone it's interpretation.
To detect nitrile hypersensitivity, "we came up with a new skin prick test," he said.
So many patients have gone through the skin prick test, everything negative so the conclusion, "it's just in your head.
The predictive value of the skin prick test weal size for the outcome of oral food challenges.
Comparison of results of skin prick test (with fresh foods and commercial food extracts) and RAST in 100 patients with oral allergy syndrome.
Skin prick test - under medical supervision, a tiny solution of the suspected food is put on the skin and the skin is then pricked.
A skin prick test and an intradermal test are the most common tests used to identify an allergy.