Valium, aka diazepam, is a benzodiazepine that is prescribed in cases of anxiety, muscle spasms, and insomnia. Valium works by increasing the GABA levels for relaxation. It also decreases the levels of norepinephrine for an anti-anxiety effect. It starts to work in about 1 hour and can last up to 6 hours.

Valium, best known under its trade name of Valium, is a benzodiazepine that reduces stress and anxiety by increasing the activity of the inhibitory neurotransmitter gamma-Aminobutyric acid (GABA).
Valium is a medication that slows down brain activity. Valium is used to treat anxiety and muscle spasms, to control rapid eye movement of people with Parkinson’s disease, and to prevent seizures in certain situations. Valium may also be used to treat other conditions as determined by your doctor. Valium is a benzodiazepine.