What should you know about gluten fatigue?

Some people notice low energy, poor concentration or sleepiness after foods containing wheat, barley or rye. This pattern can occur with coeliac disease, but fatigue may also reflect anaemia, dehydration, infection, poor sleep, emotional strain, alcohol use or another medical condition. Chronic fatigue syndrome is a distinct diagnosis and cannot be established from a food reaction alone. Note whether symptoms follow a particular food, how long they last and whether bowel symptoms, weight change or skin changes occur.

Record meals, sleep, activity, hydration and fatigue for several days. Avoid cutting out gluten before speaking with a clinician if coeliac disease is a possibility, since testing may be affected. Eat regular balanced meals and address sleep and fluids. A clinician may review medicines and consider blood tests for anaemia or other causes. Do not replace gluten-containing foods with highly restricted meals without nutrition guidance.

Book an appointment for fatigue that persists, interferes with work or daily tasks, or occurs with weight loss, breathlessness, paleness, fever, swollen glands or bowel changes. Seek urgent care for severe breathlessness, fainting, confusion, chest pain or sudden weakness. Fatigue with vomiting or inability to drink may signal dehydration and needs prompt assessment.

Could coeliac disease or anaemia fit my symptoms? Should testing happen before I remove gluten? Which blood tests or examinations are appropriate? How can I keep my diet balanced while tracking the pattern?