Guillain-Barr syndrome can be difficult to diagnose because several other conditions can cause similar symptoms.
Your GP will refer you to a hospital specialist if they think you might have it or they aren't sure what's causing your symptoms.
Some of the main checks and tests you may need are outlined below.
Your GP or specialist may:
In hospital, two tests may be carried out to see how well your nerves are working.
In people withGuillain-Barr syndrome, these tests will usually show that signals aren't travelling along the nerves properly.
A lumbar puncture is a procedure to remove some fluid from around the spinal cord (the nerves running up the spine) using a needle insertedinto the lower part of the spine.
The sample of fluid will be checked for signs of problems that can cause similar symptoms toGuillain-Barr syndrome, such as an infection.
Find out about Guillain-Barr syndrome, including what the symptoms are, why it happens and how it's treated.
Find out about the main symptoms of Guillain-Barr syndrome and when to get medical advice.
Find out what happens in Guillain-Barr syndrome and what can trigger it.
Find out about the tests that may need to be done to diagnose Guillain-Barr syndrome.
Find out about the main treatments for Guillain-Barr syndrome.
Find out about recovering from Guillain-Barr syndrome, including what problems can occur and what support may be needed.