Introduction
It usually results from repeated or prolonged exposure to irritant or allergenic substances, sometimes unidentified, leading to long-lasting skin inflammation.
Symptoms
- Thickening of the skin (lichenification)
- Cracks, sometimes painful
- Severe dryness
- Persistent itching
- Redness that is less bright but long-lasting
Causes
- Undiagnosed allergic contact dermatitis
- Repeated irritant contact dermatitis
- Prolonged occupational exposure
- Unsuitable or insufficient skin care
- Continued contact with the substance responsible
- Frequent hand washing
- Minor skin trauma
- Stress
Diagnosis
- Clinical skin examination
- A detailed review of everyday and occupational exposures
- Patch testing, which is essential to look for an associated contact allergy
Treatments
- Identification and avoidance of triggers
- Topical treatments adapted to severity
- Intensive skin barrier repair care
- Adjustments to daily and working habits
Management
Systematic search for the cause
A long-term treatment plan
Therapeutic patient education
Regular dermatology and allergy follow-up