Our Symptom checker provides clinical advice on what to do next based on your symptoms.
Blisters form in response to friction or pressure on the skin. Many need only simple care; others may be a symptom of disease and need to be treated by your GP.
Impetigo is a highly contagious skin infection that causes sores and blisters. It's very common and affects mainly children.
Cold sores are blister-like spots that appear in or around the mouth. Find out about prevention, common triggers, treatment and self-care options.
Mouth sores and ulcers
An ulcer is a common type of mouth sore. It can make everyday tasks like teeth brushing, talking, eating and drinking feel uncomfortable.
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.
Chickenpox is a mild and common childhood illness, but can also occur in adults. Here’s how to help ease the symptoms.
Hand, foot and mouth disease
Hand, foot and mouth disease is a common viral illness that mainly affects children under 5 years old, but can sometimes affect older children and adults.
Hand, foot and mouth disease prevention
The best way to prevent hand, foot and mouth disease from spreading is to practise good hygiene.
Hand, foot and mouth disease treatment
There is no treatment to kill the coxsackievirus that causes hand, foot and mouth disease. The symptoms usually clear up in 7 to 10 days.
Treatments are available to lessen the severity of shingles and to prevent complications - although there is no cure. Learn about the treatment options here.