Eggs, meat, fish, unflavored dairy products, fruits, vegetables, vegetable oils, butter, nuts, seeds, beverages, spices, herbs, tapioca, rice, corn, millet, oats, potatoes, corn, corn flour, potato flour, tapioca flour, chickpea flour, coconut flour, etc., can be consumed for a gluten-free diet. Foods to be avoided include wheat and wheat products, malt, barley, rye, brewer's yeast, etc.
Dermatitis Herpetiformis
Dermatitis herpetiformis is an autoimmune disorder that develops an itchy lesion when wheat or barley is taken into the diet. Read this article to know in detail.

Celiac Disease - Types, Causes, Symptoms, Risk Factors, Diagnosis, and Treatment
Celiac disease is an immune response to eating gluten, a protein found in wheat, barley, and rye.
Celiac Disease and Gluten-Free Diet in Pregnancy
The effect of celiac disease on pregnancy and how a gluten-free diet can prove to be helpful is discussed below.