A METHOD FOR DELIVERING MEDICAMENT (16) SUCH AS FOR AMELIORATING PAIN IN A PATIENT INCLUDES INTRODUCING AN INJECTOR (12) THROUGH A NASAL PASSAGE OF THE PATIENT INTO A REGION SUBSTANTIALLY MEDIAL AND/OR POSTERIOR AND/OR INFERIOR TO A SPHENOPALATINE GANGLION, SPG (2) OF THE PATIENT； AND DELIVERING A MEDICAMENT FROM THE INJECTOR SUPERIORLY AND/OR LATERALLY AND/OR ANTERIORLY TOWARDS THE SPG. A DEVICE (10) FOR DELIVERING A MEDICAMENT TO A PATIENT IN NEED THEREOF INCLUDES (A) AN INJECTOR CONTAINING A FIRST END (29) CONFIGURED TO REMAIN OUTSIDE A NASAL PASSAGE OF THE PATIENT AND A SECOND END (30) CONFIGURED FOR ENTRY INTO THE NASAL PASSAGE OF THE PATIENT； AND (B) AN INTRODUCER (18) CONFIGURED FOR ENGAGEMENT WITH A NOSTRIL OF THE PATIENT AND CONTAINING A PASSAGEWAY (48) CONFIGURED FOR SLIDABLY RECEIVING THE INJECTOR. THE INJECTOR IS MOVEABLE BETWEEN A STORAGE POSITION PRECEDING THE ENGAGEMENT AND AN ENGAGING POSITION PURSUANT TO THE ENGAGEMENT. FIGURE 4
