Celiac disease can cause symptoms outside the gastrointestinal tract. Most common dermatological manifestations of Celiac disease are: 1. Dermatitis herpetiformis 2. Atopic dermatitis 3. Psoriasis 4. Rosacea 5. Alopecia areata 6. Cutaneous vasculitis 7. Dermatomyositis 8. Aphthous stomatitis 9. Urticaria Reference: https://www.dermatologyadvisor.com/slideshow/general-dermatology/10-dermatologic-signs-of-celiac-disease/