The present disclosure relates generally to compounds having activity as voltage-gated sodium channel blockers and their use in the field of therapeutic treatment, including the therapy or management of conditions associated with excessive, unwanted, inadequate or otherwise undesirable sodium ion passage through cellular membranes via voltage-gated sodium channels. In some embodiments, the disclosure relates to aryloxy-substituted amines for use as sodium channel blockers or modulators. Methods for their manufacture and compositions containing the compounds are also disclosed.