Effectiveness of Magnesium in Addition to Prochlorperazine for the Treatment of Migraines

Inclusion Criteria: * Age ≥ 18 years or older * Able to provide informed consent * English speaking * Primary diagnosis of migraine. Patient with a previous diagnosis of migraine, who experience headaches with typical migraine features (e.g at least 2-3 of the following: recurrent, unilateral, pounding or throbbing in nature, associated with nausea), AND with a clinical exclusion of migraine mimics Exclusion Criteria: * Pregnancy defined as a positive urine HCG * Allergy or sensitivity to study drug * Stated history of renal insufficiency * Documented history of myasthenia gravis * Consumption of study drug within 48 hours prior to enrollment * Previously enrolled in this trial during a different patient encounter