(1R,4R)-6'-FLUORO-(N-METHYL- OR N,N-DIMETHYL-)-4-PHENYL-4',9'-DIHYDRO-3'H-SPIRO-[CYCLOHEXANE-1,1'-PYRANO[3,4,b]INDOL]-4-AMINE FOR TREATING FIBROMYALGIA AND CHRONIC FATIGUE SYNDROME

摘要

The invention relates to a pharmaceutical dosage form comprising (1R,4R)-6'-fluoro-(N-methyl- or N,N-dimethyl-)-4-phenyl-4',9'-dihydro-3'H-spiro[cyclohexane-1,1'-pyrano[3,4,b]indol]-4-amine or a physiologically acceptable salt thereof, for use in the treatment of fibromyalgia or chronic fatigue syndrome.