The present invention provides therapeutic agents for sensory disorders represented by the following formula (1): ##STR00001## [wherein R.sup.1, R.sup.2, and R.sup.3 each represent a hydrogen atom or a methyl group, and X represents a linear or branched C10-C28 alkylene or alkenylene group]. The cyclohexenone long chain alcohol of the present invention improves hyperalgesia or hypoalgesia, and thus is useful as therapeutic agents for sensory disorders. Sensory disorders that can be prevented or treated by the present invention include chronic intractable pain, neurogenic pain, reduction of pain threshold caused by nerve injuries, hypesthesia or hyperesthesia caused by diabetes and nerve injuries, and the like.