A DEVICE FOR DELIVERING A MEDICAMENT TO A PATIENT IN NEED THEREOF INCLUDES: (A) AN INJECTOR INCLUDING A FIRST END CONFIGURED TO REMAIN OUTSIDE A NASAL PASSAGE OF THE PATIENT AND A SECOND END CONFIGURED FOR ENTRY INTO THE NASAL PASSAGE OG THE PATIENT, WHEREIN THE INJECTOR IS MOVEABLE BETWEEN A STORAGE POSITION AND AN ENGAGING POSITION； AND (B) AN INTRODUCER CONFIGURED FOR ENGAGEMENT WITH A NOSTRIL OF THE PATIENT, WHEREIN THE INTRODUCER INCLUDES A PASSAGEWAY CONFIGURED FOR SLIDABLY RECEIVING THE INJECTOR, AND WHEREIN THE INTRODUCER INCLUDES A CURVATURE ALONG A PORTION THEREOF ADJACENT TO THE PASSAGEWAY. METHODS FOR AMELIORATING PAIN IN A PATIENT INCLUDE (A) INTRODUCING THE INJECTOR THROUGH THE NASAL PASSAGE OF THE PATIENT INTO A REGION SUBSTANTIALLY MEDIAL AND/OR POSTERIOR AND/OR INFERIOR TO A SPHENOPALATINE GANGLION OF THE PATIENT； AND (B) DELIVERING A MEDICAMENT FROM THE INJECTOR SUPERIORLY AND/OR LATERALLY AND/OR ANTERIORLY TOWARDS THE SPHENOPALATINE GANGLION.(FIG. 3)
