Our Symptom checker provides clinical advice on what to do next based on your symptoms.
Cold sores are blister-like spots that appear in or around the mouth. Find out about prevention, common triggers, treatment and self-care options.
Cold sore treatments
If you have a cold sore there are a number of things you can do to help manage the condition.
There are many different kinds of rashes and skin conditions. Some are quick and easy to treat, while others are chronic or more difficult to get rid of. Find out more here.
Genital herpes is spread by skin-to-skin contact – even through kissing or foreplay. There are things you can do to control it, learn more here.
Pityriasis rosea is a pink, scaly and inflamed skin rash. Cool baths can help soothe the skin; sunlight can help fade the rash. Learn more here.
Labyrinthitis is an inflammation of the balancing centre in your inner ear. Here’s how it may come about, symptoms to look out for and treatment options.
Mouth and teeth
A healthy mouth is important to your overall health, and for eating, drinking, breathing and speaking. Get tips for keeping your mouth healthy here.
Differences between bacterial and viral infection
Bacterial and viral infections must be treated differently. Misusing antibiotics to treat viral infections leads to the problem of antibiotic resistance.
Encephalitis is a serious brain condition usually caused by a virus. If you think or your child may have encephalitis, seek medical attention straight away.
Medicines during pregnancy
Learn more about taking medicines during pregnancy, which includes over-the-counter medicine as well as herbal supplements and vitamins.