Patent ID: 8349874

Claim:
A method for relieving pain, comprising administering an effective amount of a cyclohexane derivative represented by Formula (I): wherein A represents a substituent represented by Formula (IIa) or (IIb): R 1 and R 2 each independently represent a hydrogen atom, chlorine atom, C 1 -C 3 haloalkyl, C 1 -C 4 alkyl, C 1 -C 4 alkoxy or cyano; R 3 represents a hydrogen atom or chlorine atom; R 4 represents a fluorine atom, hydroxymethyl or hydroxyl; R 5 and R 6 each independently represent a hydrogen atom, fluorine atom, C 1 -C 3 haloalkyl, carboxyl, methoxycarbonyl, ethoxycarbonyl, C 1 -C 4 alkoxy, hydroxyl or C 2 -C 5 alkylcarbonyloxy, or R 5 and R 6 may together form an oxo group; R 7 and R 8 each independently represent a hydrogen atom or fluorine atom; Y represents an oxygen atom or sulfur atom; and Z represents a nitrogen atom or methine or a pharmaceutically acceptable salt thereof or a prodrug thereof.