Abstract: The present invention relates to a new use for compounds having 5-HT3 (serotonin M) receptor antagonist activity, especially tropisetron, for the manufacture of a pharmaceutical composition for the treatment of a non-inflammatory local disease of the musculo-sceletal system, of a local irritation condition of a joint or tendon sheath, or for the local treatment a local manifestation at the locomotor apparatus of an inflammatory disease except for a crystal induced arthritis and a living pathogen induced inflammatory disease condition as long as the living pathogen is still present.