Intracutaneous test

Another investigation method is the intracutaneous test. This goes similarly as the scratch test, is, however, fundamentally more sensitive than this. This means This method of testing mainly becomes are detection of sensitivities on so called "weak" allergen ace House mite dust or mold trace used e.g. there must be the respective allergen in an appropriately high concentration to be able to trigger an allergy.

With are Special needle penetrates inject extracts determined completely and fixed before exactly ares in are sterile solution directly under The skin at Thi move injected until himself educates oneself one of Great vesicle 2 millimeters to approximately 1. through this allergenically into and into if necessary the substance the connective tissue test hurt blood vessels the skin. A test for comparison purposes is both (so-called positive control) and carried out with a physiological salt solution (so-called negative control) with a histamine solution. If the person is allergic on a certain substance, patient appears around the puncture place after approx. 20-30 minutes tumescence, the reaction gets positive the pruritus feels unite tormenting, with (e.g.) to come an antihistamine-ointment Fenistil this is. An existing allergy can be relatively recognized for certain with this sensitive test. The evaluation is carried out according to the score of the scratch test.

Since the solutions are injected one by one under the skin, the procedure is proportionally painful and should be carried out with children only in exceptions and first as of the school age because of this.

Since an anaphylactic reaction with the risk of an anaphylactic shock to a test substance injected with is a relatively frequent complication at the intracutaneous test this examination procedure shouldn't in one allergic logical doctor's practice, but always in the allergic logical department a hospital carried out be.

Caution! Antihistamines and corticosteroids are substances which allergic reactions and thus allergic complaints soothe or prevent. This is said, if an intracutaneous test is planned to the diagnostics of an allergy, have to medicines be removed at least 4 days before the examination with these substances since otherwise the test result is false negative for the reasons just mentioned, distorted is. Furthermore medicines, the beta 2-stimulators (asthma means), glucocorticoide as well as antibiotics may be taken.


These informations may be considered a substitute for a piece of medical advice in no case. The content of health-illness.com doesn't can and may be put into any case to make diagnoses or carry out self medical treatment independently.


Diese Informationen dürfen auf keinen Fall als Ersatz für ärztliche Beratung angesehen werden. Der Inhalt von medhost.de kann und darf auf keinen Fall verwendet werden, um eigenständig Diagnosen zu stellen oder Selbstbehandlung durchzuführen.

Medhost ¦ Startseite - Newsletter - Impressum - Disclaimer - Kontakt - Sprache ¦ Deutsch - English
1999 - 2007 Copyright Promeus AG, Alle Rechte vorbehalten