Overview SPG Blocks for Headaches Status: Recruiting Trial end date: 2021-06-01 Target enrollment: Participant gender: Summary This will be a single-center, open-label clinical trial comparing sphenopalatine ganglion blocks to standard intravenous therapy for patients who come to the emergency department for a headache. Phase: Phase 4 Details Lead Sponsor: Kendall Healthcare Group, Ltd.Collaborator: Nova Southeastern UniversityTreatments: Prochlorperazine