Persistent tiredness and fatigue

Overview

Tiredness can follow poor sleep, stress or illness, but ongoing fatigue can also have a medical cause. The word covers different experiences: wanting to sleep, feeling physically depleted or struggling to concentrate. Describing which applies helps the assessment.

You do not need to prove that you are tired enough to ask for help. Explain what has changed in daily life and whether rest restores your energy. Mention the effort involved in tasks you still manage, rather than only the activities you have stopped.

By telephone

A telephone conversation may help organise the history of sleep, work and caring demands, recent illness, mood, eating and other symptoms. The doctor can consider whether examination or targeted testing would be useful rather than assuming that every person needs the same panel.

If activity leads to a delayed worsening, say so clearly. Also describe any reported snoring or breathing pauses at night. Discuss what you hope to understand and which practical problem most needs attention while the cause is being assessed.

What cannot be done remotely

Fatigue cannot be diagnosed from its name alone. A call may be the beginning of assessment, with a physical examination, blood tests or another investigation required. A supplement should not substitute for checking persistent unexplained symptoms.

A normal earlier result does not automatically explain ongoing symptoms or exclude a new change. Ask what was tested, what remains uncertain and when review is appropriate. Advice about activity should reflect your symptoms and the assessment rather than a fixed expectation to push through.

What to prepare

• Note onset, day-to-day pattern and any relationship to illness or exertion.
• Describe sleep quality, snoring and daytime sleepiness separately from low energy.
• List medicines, supplements, appetite changes and other symptoms.
• Bring any recent results and explain what you were told about them.

Sources

• NHS: tiredness and fatigue
• NHS: sleep apnoea
• NHS: stroke symptoms
• NHS: chest pain