Centro Teknon Dr Bassas

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Dermatology

Dermatological diseases and treatments

Disorders

Contact dermatitis or eczema

When the skin comes into contact with external agents many adverse effects can occur. These include contact dermatitis or contact eczema. This dermatitis may be:

1- Irritative: responsible for 80% of contact dermatitis cases. This is the result of a local toxic effect which occurs when the skin comes into contact with certain irritants (soaps, chemicals, solvents, acids, alkalis, jewellery, drugs, cosmetics, clothes, etc.)

2- Allergic: accounts for the remaining 20% of cases. This is an allergy that occurs when the skin comes into contact with a chemical agent with which the person has previously been in contact.

Both forms produce inflammation, redness and peeling of the skin, which is usually associated with itching. In severe forms, small blisters may appear. We use patch testing to diagnose and identify the substance responsible and to indicate one type of dermatitis or another. Skin contact allergy testing, or patch testing, is the most commonly used method for diagnosing these dermatitis conditions. Once the substance responsible for the dermatitis has been identified, the patient must be informed and should then avoid this substance. If the patient presents symptoms and lesions, then appropriate treatment will be established.