The most important allergy test is the epicutaneous test (patch test). Test patches containing allergens are stuck to the patient's back.
These remain on the back for two days. The patches are removed on the third day and evaluated on this and the fourth day. In principle, patients can go about their normal daily lives during the test, but the test patches should not get wet. Before a planned test, sunbathing should be avoided and cortisone creams should not be applied to the back.
Additives (e.g. preservatives) in care products and cosmetics can change constantly in accordance with EU directives. The epicutaneous test laboratory at the USZ endeavors to keep the test series up to date in accordance with the recommendations of the German Society for Contact Allergy (DGK). In addition, we also have detailed clarification series regarding prosthetic materials or dyes (e.g. for tattoo reactions).
As a patient, you cannot register directly for a consultation. Please get a referral from your primary care physician, specialist.
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