Skin Rash & Autoimmune Skin Changes
Skin changes can be the first sign of autoimmune diseases. The butterfly (malar) rash suggests lupus. Psoriatic plaques may precede psoriatic arthritis. Skin biopsy and autoantibody testing guide diagnosis.
Body System: Dermatological / Immune
Related Diseases
- Autoimmune Diseases — Lupus malar rash, psoriasis, dermatomyositis heliotrope rash, and scleroderma skin thickening are diagnostic features.
Related Compounds
Frequently Asked Questions
What autoimmune diseases cause skin rashes?
Lupus (butterfly/malar rash, discoid lesions), dermatomyositis (heliotrope rash, Gottron's papules), psoriasis (silvery plaques), scleroderma (skin thickening), and vasculitis (palpable purpura). These skin manifestations often appear before systemic symptoms and can guide early diagnosis.