Recovery can take weeks or years. Most people survive and recover completely. According to the National Institute of Neurological Disorders and Stroke, about 30% of patients still have some weakness after 3 years. Mild weakness may persist for some people.
A patient's outcome is most likely to be very good when the symptoms go away within 3 weeks after they first started.
What to expect if I have Guillain-Barr%C3%A9 syndrome  (Outlook/Prognosis)?
Recovery can take weeks or years. Most people survive and recover completely. According to {{ORGANIZATION}}, about 30% of patients still have some weakness after 3 years. Mild weakness may persist for some people.
A patient's outcome is most likely to be very good when the symptoms go away within 3 weeks after they first started.