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Symptom checker

Our Symptom checker provides clinical advice on what to do next based on your symptoms.

Dehydration

Dehydration occurs when you don't have enough fluids in your body. If severe, dehydration can cause serious problems. Learn how to spot the symptoms.

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Pesticides

Links to trusted information about pesticides, including insecticides, herbicides and fungicides, and what to do if someone has been poisoned by pesticides.

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Diabetes symptoms

Symptoms for type 1 diabetes may occur suddenly while symptoms of type 2 diabetes have a gradual onset. Find out about diabetes symptoms.

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Chest injuries

Chest injury is any injury to the chest area, between the neck and the abdomen. Learn about the signs of injury and treatments.

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Metabolic syndrome

Metabolic syndrome is a collection of disorders that increases the risk of stroke, heart disease and diabetes. Find out more about its symptoms and treatments.

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Central nervous system (CNS)

Your central nervous system (CNS) is made up of your brain and your spinal cord. Learn more about its role and the different parts of the brain.

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Overview of autoimmune diseases

Autoimmune diseases occur when the immune system attacks its own body. Learn more about the diagnosis and treatment of types such as Coeliac disease and lupus.

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Hangover ‘cures’

While there are no cures for a hangover, here are tips for avoiding one and for easing the symptoms if you have them.

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Sarcoidosis

Sarcoidosis is an inflammatory disease that can affect many of the body’s organs including the lungs and lymph nodes. Learn more about sarcoidosis including its symptoms and treatments

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Fatigue

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.

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