>>17573920>Diazepam (also known as Valium) is a depressant substance of the benzodiazepine class. Its mechanism of action is to increase the effects of the inhibitory neurotransmitter GABA.Diazepam was patented in 1955 by the pharmaceutical company Hoffman-La Roche. It has been one of the most frequently prescribed medications in the world since its launch in 1963. It is commonly used to treat a wide range of conditions including anxiety, panic attacks, insomnia, seizures, muscle spasms, and restless legs syndrome. Diazepam is a core medicine in the World Health Organization's Essential Drugs List, the minimum medical needs for a basic health-care system.