Our Symptom checker provides clinical advice on what to do next based on your symptoms.
A cold is a viral infection that affects the nose, the throat and upper airways. Find out more about the common cold.
Coughs and colds in children
Most coughs and colds in children are caused by viruses. Find out how to treat your child and to help prevent them from developing and spreading a cold.
Coronaviruses can cause several illnesses, from the common cold to serious respiratory infections and pneumonia. Learn more about coronaviruses.
Colds and flu
Find out more about how to treat the cold or flu, how to avoid catching the cold or the flu, and special information on being ill during pregnancy and looking babies and children with a cold or flu.
Most coughs are caused by viruses which inflame the throat, windpipe or lungs. Here are some tips to relieve a chesty, dry or persistent cough.
10 tips to fight the flu – infographic
Flu vaccine and good hygiene are some of the most important ways to help prevent colds and flu. Here's a handy list of tips to fight the flu.
Cold or flu? (infographic)
Can't tell if you've got the cold or the flu? This infographic helps you compare cold and flu symptoms, debunk the most common myths.
Fever in babies and children - infographic
When should a child with a fever see a doctor? How do I treat a fever at home? Answer these questions and more with this infographic about fever in children.
Influenza A is a highly contagious respiratory illness. It’s not usually dangerous if you are healthy. Learn about the symptoms and how to treat it.
Sinusitis is when the hollow spaces in the bones of your face become inflamed. Sinusitis is a common symptom for colds and the flu and it can be difficult to tell the difference between them.