Diazepam is a benzodiazepine that acts on the brain and central nervous system. It reduces hyperactivity in the brain, which has a calming and relaxing effect on the body and mind. It comes in various forms and starts working within five minutes of being injected into a vein. This is why it is the first line of defense for treating acute conditions, and it is critical to act because it will undoubtedly aid in the treatment of severe conditions.