Combinations of flupirtine and sodium channel inhibiting substances for treating pains

A method of treating pain which is associated with abnormally elevated muscle tone associated with a disease or disorder, comprising administering to a patient experiencing pain which is associated with abnormally elevated muscle tone associated with a disease or disorder a combination of a therapeutically effective amount of flupirtine or a therapeutically utilizable salt thereof and a therapeutically effective amount of a sodium channel-inhibiting substance, wherein the sodium channel-inhibiting substance is of tolperisone, or a pharmaceutically utilizable salt thereof, wherein the therapeutically effective amounts are therapeutically superadditive.