Midazolam (marketed under brand names Versed®, Hypnovel®, Dormicum® and Dormonid®, pronounced mɪˈdæzəlæm) is a drug which is a benzodiazepine derivative. It has powerful anxiolytic, amnestic, hypnotic, anticonvulsant, skeletal muscle relaxant and sedative properties. It is considered a fast-acting benzodiazepine, with a short elimination half-life.