The present invention relates to a method of treating or preventing neuropathy, including but not limited to, amyotrophic lateral sclerosis (ALS), including administration of anti-Nogo-A antibodies. [Selection] Figure 9本発明は、抗Nogo-A抗体の投与を含む、神経障害、これに限定するものではないが特に筋萎縮性側索硬化症(ALS)の治療又は予防方法に関する。【選択図】図9