A method for treatment of a headache disorder in a human subject is provided. The method comprises a) selecting a treatment area in the nasal cavity of the human subject; b) providing a stimulation member arranged for vibration stimulation of the selected treatment area; c) introducing the stimulation member into a nasal cavity of the human subject; d) expanding the stimulation member to exert a pressure on tissue of the selected treatment area; and e) bringing the stimulation member to vibrate in the nasal cavity to impart vibrations to the selected treatment area.