What should you know about Crohn's disease and fatigue?

Active inflammation can leave the body feeling drained, while diarrhoea, pain, or nausea can interrupt sleep and make eating and drinking harder. Blood loss or reduced absorption of nutrients may contribute to anaemia. Fatigue can continue even when abdominal symptoms have improved, so it deserves separate attention.

Low mood, anxiety, reduced fitness, and medicine effects can add to the burden. A pattern that appears after poor sleep differs from exhaustion that is constant, worsening, or accompanied by breathlessness, paleness, dizziness, or racing heartbeat.

Arrange a GP Consultation when fatigue lasts, limits work or daily tasks, or keeps returning. Describe sleep, activity, meals, fluid intake, bowel symptoms, bleeding, pain, mood, and medicine changes. Pacing activity, protecting regular sleep, and maintaining fluids can help while you arrange review.

A Blood Test may check for anaemia, inflammation, or other contributors. Do not begin high-dose supplements or stop Crohn's treatment without advice, because the right approach depends on the cause.

Seek urgent help for severe weakness with fainting, chest pain, breathlessness at rest, confusion, heavy bowel bleeding, repeated vomiting, or inability to keep fluids down. Rapid deterioration during a bowel flare also needs prompt assessment.

Ask whether fatigue could reflect active inflammation or anaemia, which tests are suitable, whether medicines or sleep are contributing, and how to balance activity with recovery during a flare.