Our Symptom checker provides clinical advice on what to do next based on your symptoms.
Nausea is the feeling you get when you think you will vomit. It's not usually a sign of anything serious, and you can take steps to make yourself feel better.
Trusted information on vomiting including what it is, causes (such as gastroenteritis and norovirus), treatments and when to see a doctor.
Gastroenteritis is an infection that can cause vomiting, diarrhoea, nausea, stomach pains, fever, headaches and loss of appetite. Learn more here.
Gastritis is when the stomach become inflamed. It can lead to nausea, stomach pain and vomiting. Read about its causes, symptoms and treatments.
You can have gastritis without symptoms, but some people may experience pain in the stomach, nausea, vomiting and burping. Find out more by reading our trusted sources.
People who have acute pancreatitis have sudden, severe upper abdominal pain, often spreading through to the back, and often eased by leaning forward. They may also have nausea, vomiting, fevers, sweats and have a tender abdomen. They need treatment in hospital.
Labyrinthitis is an inflammation of the balancing centre in your inner ear (or labyrinth). Learn more about its causes, symptoms, treatment and prevention options.
Vertigo is a sensation of movement or spinning, tilting or swaying when your body is not actually moving. Treatment depends on what's causing it.
Links to trusted information about pesticides, including insecticides, herbicides and fungicides, and what to do if someone has been poisoned by pesticides.
Brain tumour symptoms
A brains tumour symptoms can appear similar to other diseases but there are key ones to look out for. Learn more about the different symptoms of brain tumours.
Chemotherapy is drug treatment that aims to stop or slow down the growth of cancer cells. Find out more about chemotherapy by reading our partner pages.