What happens if coeliac disease is not treated?

Inflammation in the small intestine can interfere with the absorption of iron, folate, vitamin B12 and other nutrients. A person may develop fatigue, diarrhoea, bloating, abdominal pain or unintentional weight loss, although symptoms vary and some people have few digestive complaints.

Over time, poor absorption can affect energy, blood health and bone strength. Vitamin B12 deficiency is one possible consequence of inadequate absorption, but these symptoms can have other causes too. Do not start a gluten-free diet before diagnostic advice if coeliac disease has not been confirmed, because changing gluten intake can affect test results.

Book a clinical assessment if symptoms suggest coeliac disease or continue without a clear explanation. A Blood Test may be used as part of the diagnostic process, followed by further assessment when needed.

Once the diagnosis is established, treatment usually involves a strict gluten-free diet with practical support. Nutrition Counselling can help identify hidden gluten, plan balanced meals and reduce the risk of nutrient gaps. Do not remove foods or take supplements without discussing the reason and dose with a clinician.

Seek prompt medical advice for ongoing vomiting, severe abdominal pain, dehydration, fainting, marked weakness, blood in the stool or rapid unintentional weight loss. These features need assessment because they may reflect significant illness or a different condition.

Arrange review when persistent diarrhoea, bloating or fatigue is affecting daily life, even if symptoms are mild on some days. Early evaluation can clarify whether nutrient deficiency or another digestive problem is present.

Ask which tests are appropriate before changing your diet, whether nutrient levels need checking, how to recognise hidden gluten, and when follow-up should occur. Ask for a clear plan if symptoms continue after dietary changes.