Association Between Diet and Seborrheic Dermatitis: A Case-Control Study

Area of Science:

• Dermatology
• Nutrition Science
• Inflammatory Skin Diseases

Background:

• Seborrheic dermatitis (SD) is a chronic inflammatory skin condition.
• Current treatments like ketoconazole and corticosteroids manage symptoms but do not offer a cure.
• The chronic nature of SD necessitates exploring adjunctive therapies.

Purpose of the Study:

• To investigate potential dietary modifications as adjunctive treatments for seborrheic dermatitis.
• To identify specific food types associated with SD exacerbation or improvement.

Main Methods:

• A retrospective case-control study design.
• Data collected via medical records and validated food frequency questionnaires.
• Participants included 59 SD patients and controls from Jeddah.

Main Results:

• Daily consumption of white bread, rice, pasta, non-acidic fruits, leafy green vegetables, other vegetables, nuts, and coffee showed a higher prevalence in SD patients.
• Spicy foods, sweets, fried foods, dairy, and citrus fruits were commonly reported triggers for SD exacerbation.
• Citrus fruits, leafy green vegetables, and other vegetables were frequently associated with SD symptom improvement.

Conclusions:

• Specific dietary factors are associated with seborrheic dermatitis in the studied cohort.
• Findings suggest that dietary interventions could serve as an adjuvant therapy for SD.
• Further research may enhance therapeutic outcomes for SD through dietary management.