Sepsis is life threatening. It can be hard to spot.
There are lots of possible symptoms. They can be like symptoms of other conditions, including flu or a chest infection.
If you think you or someone you look after has symptoms of sepsis, call 999 or go to A&E. Trust your instincts.
A baby or young child has any of these symptoms of sepsis:
They may not have all these symptoms.
An adult or older child has any of these symptoms of sepsis:
They may not have all these symptoms.
You, your child or someone you look after:
Do not worry if you're not sure if it's sepsis – it's still best to call 111.
They can tell you what to do, arrange a phone call from a nurse or doctor, or call you an ambulance.
Further information on sepsis for people with a learning disability and their carers:
Sepsis is a life-threatening reaction to an infection.
It happens when your immune system overreacts to an infection and starts to damage your body's own tissues and organs.
You cannot catch sepsis from another person.
Sepsis is sometimes called septicaemia or blood poisoning.