Diazepam was the second benzodiazepine invented by Dr. Leo Sternbach of Hoffmann-La Roche at the company’s Nutley, New Jersey, facility following chlordiazepoxide (Librium), which was approved for use in 1960. Released in 1963 as an improved version of Librium, diazepam became incredibly popular, helping Roche to become a pharmaceutical industry giant. It is 2.5 times more potent than its predecessor, which it quickly surpassed in terms of sales. After this initial success, other pharmaceutical companies began to introduce other benzodiazepine derivatives.
Diazepam was the top-selling pharmaceutical in the United States from 1969 to 1982, with peak sales in 1978 of 2.3 billion tablets. Diazepam, along with oxazepam, nitrazepam and temazepam, represents 82% of the benzodiazepine market in Australia. While psychiatrists continue to prescribe diazepam for the short-term relief of anxiety, neurology has taken the lead in prescribing diazepam for the palliative treatment of certain types of epilepsy and spastic activity, for example, forms of paresis. It is also the first line of defense for a rare disorder called stiff-person syndrome.
Diazepam has a broad spectrum of indications (most of which are off-label), including:
- Treatment of anxiety, panic attacks, and states of agitation
- Treatment of neurovegetative symptoms associated with vertigo
- Treatment of the symptoms of alcohol, opiate, and benzodiazepine withdrawal
- Short-term treatment of insomnia
- Treatment of tetanus, together with other measures of intensive treatment
- Adjunctive treatment of spastic muscular paresis (paraplegia/tetraplegia) caused by cerebral or spinal cord conditions such as stroke, multiple sclerosis, or spinal cord injury (long-term treatment is coupled with other rehabilitative measures)
- Palliative treatment of stiff person syndrome
- Pre- or postoperative sedation, anxiolysis and/or amnesia (e.g., before endoscopic or surgical procedures)
- Treatment of complications with a hallucinogen crisis and stimulant overdoses and psychosis, such as LSD, cocaine, or methamphetamine
- Prophylactic treatment of oxygen toxicity during hyperbaric oxygen therapy
Read more: http://en.wikipedia.org/wiki/Diazepam