Our Symptom checker provides clinical advice on what to do next based on your symptoms.
Boils are painful, red, pus-filled lumps in your skin. Learn more about causes, treatment and how to prevent them from spreading.
Good oral hygiene helps prevent problems such as bleeding gums, gingivitis and bad breath. Learn more about the signs and treatment of gingivitis.
Bleeding gums and dental bleeding
Bleeding from your gums or any other type of dental bleeding can be caused by a dental procedure, an injury or gum disease. Find out what to do.
Gum disease is caused by plaque and occurs when the tissue that surrounds and supports your teeth becomes infected. Learn what to do here.
Abscesses are painful collections of pus that builds up under the skin, in or between an organ. Find out more about abcesses on our trusted partner pages.
Scurvy can affect people who do not get enough vitamin C. Learn more about the causes, symptoms and treatments, and how changes to your diet can prevent scurvy.
Cholera is an illness that gives you severe diarrhoea and dehydration. It is most likely to be found in parts of the world with poor water and sanitary services.
Folliculitis is an inflammation affecting the hair-producing pores on your skin. Learn about causes, treatments and how to help prevent it.
Giardia is an infection of the bowel and gut, particularly the small intestine. Learn more about the cause and symptoms of giardia as well as prevention tips.
A cyst is a sac or pocket in your body filled with fluid, semi-solid material or air. Find out more the about types of cysts, their symptoms and treatments.