Tiredness and fatigue
Pending clinical review Educational information from public health sources, pending clinical review. It is not a diagnosis or medical advice.
Feeling tired sometimes is normal. If you are tired all the time and do not know why, and it is not getting better, it may be a sign of a problem worth discussing with a clinician.
Get emergency help now (call your local emergency number (112 in India)) if you have:
- Tiredness with chest pain, severe breathlessness or fainting
- Thoughts of harming yourself or that life is not worth living
Contact a doctor or clinician today if you have:
- Losing weight without trying, or tiredness with night sweats
When to see a clinician
- You have felt tired all the time for several weeks without a clear reason.
- You snore loudly or stop breathing in your sleep.
- Tiredness is affecting your daily life.
What it can be associated with
This page cannot tell you what is causing your symptom. Many different things, minor and serious, can cause the same symptom, and only a clinician who can examine you can assess it. The list of things a symptom can be associated with is in alphabetical order, not in order of how likely they are.
- An unhealthy diet or little exercise
- Hormonal changes (puberty, pregnancy, menopause)
- Not getting enough sleep, or insomnia
- Some illnesses, such as glandular fever or COVID-19
- Some medical treatments and medicines
- Stress, depression or life challenges such as bereavement or a new baby
General self-care
- Keep regular sleep and wake times.
- Eat regular, balanced meals and stay active.
- Limit caffeine and alcohol.
For medicines, ask a pharmacist or doctor; SuperHealthyAI does not advise on medicines or doses.
Check for warning signs
Tick any that apply now. This does not diagnose anything; it tells you how soon to get help.
Sources
- NHS (England): Tiredness and fatigue (retrieved 2026-10-19)
- MedlinePlus (US National Library of Medicine): Fatigue (retrieved 2026-10-19)
This page is general education, not personal medical advice. For diagnosis, treatment or medicines, please talk to a qualified doctor, registered dietitian or pharmacist. Read our medical & AI disclaimer.