skin tests


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Related to skin tests: allergy skin test

skin tests

Investigations to determine allergic sensitivity to various substances by injecting small quantities into or under the skin or by applying the substance under patches (patch tests).
References in periodicals archive ?
QuantiFERON is faster, less labor-intensive and more accurate in screening at-risk populations for latent TB infection than the century-old tuberculin skin test.
To be safe, doctors label some children as allergic to penicillin, but a skin test to verify the diagnosis rarely happens.
A TEENAGER who had an horrific allergic reaction after a skin test before colouring her hair is urging others not to be tempted to forgo the allergy test.
Autologous serum skin test autologous plasma skin test autoimmune chronic urticaria.
Generally, health officials recommended substituting blood tests for tuberculin skin tests during the shortage, giving skin tests to "priority indications" such as people at high risk for TB infection and substituting the product Aplisol for Tubersol in skin testing.
Skin tests were diagnostic in a further 5% of patients.
The reasons for this were not reported, but in at least one instance it was because of a positive skin test (personal communication, D.
these are presumed to be false-positive tuberculin skin tests, he said).
Of subjects with positive results of skin tests, 21 (84%) were living in urban and 4 (16%) in rural areas.
Skin tests can also be done, though there is a small chance of a serious reaction to the food when it's scratched into the skin.
He said: "Thirty children returned positive skin tests.
Zinc is implicated in false-negative skin tests because it modulates cutaneous reactions (2,3), because zinc deficiency is common in people with TB (5), and because this deficiency also suppresses antimycobacterial immunity (4,5).