RecruitingPhase 4Drug trialHaloperidol for Pain Control in Patients With Acute Musculoskeletal Back Pain in the Emergency DepartmentSingle center, double-blind, randomized, controlled trial in patients who present to the emergency department (ED) with a chief complaint of back pain. A total of 150 patients age 18-65 presenting to the emergency department with chief complaint of backpain will be enrolled from April 2024 - April 2025. Patients will be randomized and symptom levels will be recorded at 30, 60, 90, minutes. Follow-up will be performed by telephone at 24 hours.