Our Symptom checker provides clinical advice on what to do next based on your symptoms.
Fatigue, when you always feel exhausted even if you are well rested, could be a symptom of something that is wrong. You may need to see your doctor.
Chronic fatigue syndrome (CFS)
Chronic fatigue syndrome is a complicated condition characterised by ongoing, unexplained tiredness. Learn about suggested treatments.
Adrenal fatigue is a concept referring to a variety of symptoms. Find out about the causes of fatigue and how to treat it.
Self-help tips to fight mild fatigue
Learn how to fight fatigue and restore your energy.
Glandular fever symptoms
Glandular fever (also called the ‘kissing disease’) is an infectious disease which is common in teenagers and young adults. Find out more about the symptoms of glandular fever.
Losing interest in things you once enjoyed could be a sign that you’re depressed. Learn some tips to motivate yourself and get back on track.
Leukaemia symptoms are often mild at first, but slowly worsen over time. Find more about leukaemia symptoms.
Spasms in the eyelid can signal fatigue, stress and in rare cases, multiple sclerosis. Learn about its causes and treatments and when to see a doctor.
Eye strain can happen when you use your eyes to concentrate on something for too long. Learn here about what you can do to prevent eye strain.
Parkinson’s disease symptoms
The symptoms of Parkinson’s disease vary from person to person, as well as over time. Learn about the common signs of this condition here.
The thyroid is a soft bow-shaped gland which sits in the front of the neck, just below the Adam’s apple. Learn more about what they do and medical conditions related to them.