Ordering Valium Online with Instant Shipping." Discover how you can now access this popular medication conveniently from the comfort of your own home, eliminating unnecessary delays and ensuring instant shipping right at your doorstep. Valium is a benzodiazepine medication that is used to treat anxiety, muscle spasms, and seizures. It works by increasing the levels of GABA, a neurotransmitter that helps to regulate the nervous system. Valium is a Schedule IV controlled substance and is available by prescription only.