The clinical implications of this observation become clear when patients with persistent symptoms while on immunotherapy based on SPT and/or single dilution intradermal tests
come for consultation, and improve when additional allergens diagnosed by IDT are added to the treatment vaccine.
With their longer prongs, these devices penetrate the skin somewhat more deeply than do conventional skin-prick instruments, and they arc considered by some to more closely resemble intradermal tests
Skin testing involves introducing specific antigens onto or into the skin by way of scratch, prick, and intradermal tests
Skin testing was performed using both skin prick and intradermal tests
for all neuromuscular blocking agents, hypnotics, opiates and antibiotics encountered during the initial anaesthetic and to other agents that may be required in future anaesthetics, as requested by the patient's anaesthetist.
Three of the patients with an allergy to a drug or food with possible relevance to anaesthesia had positive intradermal tests
to the known allergen (ampicillin, pethidine, atropine) and no patient had a positive intradermal test
to anaesthetic drugs.
The diagnostic procedure consisted of history, serologic (specific IgE), skin prick, intradermal tests
, and drug provocation tests (DPT) (1, 4-7).
Although many used intradermal tests
in addition to the skin prick tests, there was no uniformity as to the indications for doing so.
In 1955, 3 febrile children (siblings) admitted to a hospital in Havana, Cuba, were diagnosed with CSD based on their symptoms and the positive results of intradermal tests
using the Foshay antigen (3).
Occasionally, if intradermal tests
reveal an allergy to a specific agent, hyposensitization, by injecting increasing amounts of the allergen, may lead to a cure.
Prick" test and intradermal tests
should be performed in reactions which occur in the first hour and intradermal patch test should be performed in reactions which occur after one hour.