Symptom checker
Our Symptom checker provides clinical advice on what to do next based on your symptoms.
Viral haemorrhagic fevers
Viral haemorrhagic fevers are a group of rare but potentially life-threatening illnesses that are caused by different viruses.
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Cold sores
Cold sores are blister-like spots that appear in or around the mouth. Find out about prevention, common triggers, treatment and self-care options.
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Ebola virus
Ebola virus disease is a rare but often fatal illness. Find out more about Ebola transmission (spread), symptoms and treatment options.
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Genital herpes
Genital herpes spreads by skin-to-skin contact, like kissing or foreplay. Learn how to prevent the spread of the virus and what to do if you catch it.
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Cytomegalovirus (CMV)
Cytomegalovirus (CMV) is common but, most people have no symptoms. Learn more about the causes, symptoms and how you can reduce your risk of infection.
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Zika virus
Learn about the Zika virus, and why it's advisable for pregnant women to avoid travelling to countries with outbreaks.
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Toenail infection
Toenail infections are common but they may also be a sign of other conditions. Find out more about what a toenail infection is, common causes, symptoms, diagnosis, treatments and prevention.
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Folliculitis
Folliculitis is inflammation of the hair follicles in your skin. Learn more about the causes and treatments and how to help prevent folliculitis.
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Encephalitis
Encephalitis is a serious brain condition usually caused by a virus. If you or your child may be affected, seek medical attention immediately.
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Labia problems
Learn about what is normal for your labia – the vulva folds or lips outside of your genitals (vulva). Problems can include cysts or a rash.
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