METHODS AND TRANSDERMAL COMPOSITIONS FOR PAIN RELIEF

摘要

The present invention features methods and compositions for transdermal administration. In one embodiment, the invention features methods and compositions for transdermal administration of an amine containing compound having biphasic solubility and/or agent which enhances the activity of the amine containing compound having biphasic solubility, e.g., a muscle relaxan t, to relieve pain.