Guillain-Barré syndrome (GBS)
Guillain-Barré syndrome (GBS) is a short-term but often life-threatening disorder that affects the nerves in the body. GBS can cause muscle weakness, pain, and short-term (temporary) paralysis of the facial, chest, and leg. Muscles. Paralyzed chest muscles can lead to breathing problems and death if not treated. Most children diagnosed with GBS recover fully with no complications. Recovery often starts within a few weeks after the symptoms begin.