Intravenous caffeine citrate vs. magnesium sulfate for reducing pain in patients with acute migraine headache; a prospective quasi-experimental study

This prospective quasi-experimental study evaluated the analgesic efficacy of intravenous caffeine citrate (60 mg) versus magnesium sulfate (2 g) in 70 adult patients presenting with acute migraine headaches in an emergency department in Tehran, Iran. Pain was assessed using the Visual Analog Scale (VAS) at baseline, and one and two