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Diagnosing allergic contact dermatitis

In this video Professor Andreas J. Bircher explains how contact eczema or dermatitis are diagnosed.

In order to correctly diagnose allergic contact dermatitis it is important to distinguish between the three types of eczema: allergic contact eczema, irritant contact eczema, and atopic dermatitis.

After a detailed anamnesis, a careful clinical examination of the eczema – including the documentation of the localization, the stage, and the suspected mechanism – are central. A so-called patch test may then help to identify the culprits and diagnose a true allergic contact eczema.

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