Discoid Lupus Erythematosus

Discoid Lupus

Overview

A chronic form of cutaneous lupus erythematosus characterized by well-demarcated erythematous patches and plaques with follicular plugging. The condition primarily affects sun-exposed areas and can result in permanent scarring and alopecia. Systemic lupus involvement occurs in 5–10% of patients.

Key Symptoms

• Erythematous patches with well-defined borders
• Follicular plugging and central atrophy
• Hyperkeratotic scaling
• Photosensitivity exacerbating lesions
• Scarring alopecia if scalp is involved
• Depigmentation and hyperpigmentation at lesion edges

Affected Areas

Scalp, Face (cheeks and nose), Ears, Lips, Neck

Care Instructions

1. Apply broad-spectrum sunscreen (SPF 50+) daily and avoid sun exposure.
2. Use topical corticosteroids or calcineurin inhibitors on lesions.
3. Consider antimalarial agents such as hydroxychloroquine.
4. Monitor for systemic lupus erythematosus with periodic laboratory testing.
5. Use photoprotective clothing and hats when outdoors.
6. Avoid irritants and trauma to sensitive areas.

Medical Disclaimer: This information is for educational purposes only and does not replace professional medical advice. Always consult a qualified dermatologist for diagnosis and treatment.

Prevalence: Occurs in approximately 0.02–0.1% of the population