Dermatitis herpetiformis is associated with
Dermatitis herpetiformis (DH) is a chronic disease of the skin marked by groups of watery, itchy blisters that may resemble pimples or blisters.DH is a hereditary autoimmune gluten intolerance disease linked with celiac disease. If you have DH, you always have gluten intolerance Ref Harrison20th edition pg 1234
Ulcerative colitis
Crohn's disease
Irritable bowel syndrome
Gluten sensitive enteropathy
Fungal infections, Scabies, Pediculosis