Guillain-Barré syndrome is a rare but serious autoimmune disorder in which the immune system attacks healthy nerve cells in your peripheral nervous system. This leads to weakness, numbness, and tingling. It can eventually cause paralysis. The cause of this condition is unknown, but it’s typically triggered by an infectious illness, such as the stomach flu or a lung infection
tingling or prickly sensations in your fingers and toes
muscle weakness in your legs that travels to your upper body and gets worse over time
difficulty walking steadily
difficulty moving your eyes or face, talking, chewing, or swallowing
severe lower back pain
loss of bladder control
fast heart rate
difficulty breathing
paralysis