A method for treating a symptom of a neurodegenerative condition. The method includes topically administering a composition that contains a sex steroid or a cannabinoid or a mixture of both to the forehead or to an area of the outer ear of the subject not including the ear canal. The symptom treatable by the method is a motor symptom or a non-motor symptom.一種用於治療一神經退化性病況的一症狀的方法。該方法包括局部地投藥一含有一性類固醇或一大麻素或這兩者的一混合物的組成物至前額或至該個體的外耳的一區域(不包括耳道)。藉由該方法可治療的症狀是一運動症狀或一非-運動症狀。
