Gillian barre syndrome is a serious disorder that affects the body's immune system and the nervous system. The direct cause has not yet been established but the scientists say that it comes from the immune system attack. The symptoms include: loss of reflexes, low blood pressure, sensation changes and blurred vision. However, the best person that can advice you is a professional doctor. See http://www.webmd.com/brain/tc/guillain-barre-syndrome-topic-overview for reference.