Hi! Welcome to HCM! Your symptoms seem to be from coeliac disease itself Coeliac disease isn t an allergy or an intolerance to gluten.instead, the immune system mistakes gluten as a threat to the body and attacks them. This damages the surface of the small intestine, disrupting the body’s ability to absorb nutrients from food. Eating foods containing gluten can trigger a range of symptoms, such as:diarrhoea ,bloating ,abdominal pain,weight loss.feeling tired all the time. Gluten is a protein found in three types of cereal:wheat,barley ,rye There is no cure for coeliac disease, but switching to a gluten-free diet helps control symptoms and prevents long term consequences of the disease. Even if symptoms are mild or non-existent you must not eat gluten, as continuing to eat gluten can lead to serious complications. It is also important to make sure your gluten-free diet is healthy and balanced. Many gluten-free foods are available in recent years,hence its possible to eat both a healthy and varied gluten-free diet. I sincerely hope that this will help you! take care! Symptoms can range from mild to severe.