Final answer:
Diazepam is better known as Valium, a central nervous system depressant that is part of the benzodiazepine class of medications used for anxiety, tension, and as a sedative and muscle relaxant.
Step-by-step explanation:
The tranquilizer diazepam is better known as Valium. Diazepam belongs to a class of medications called benzodiazepines, which are central nervous system depressants used to relieve anxiety, tension, and other symptoms associated with anxiety disorders. These drugs, including diazepam, are often used for their sedative, hypnotic, anticonvulsant, and muscle relaxant properties. Diazepam works by enhancing the effects of a specific neurotransmitter in the brain, leading to its calming effects. It is not only used to treat anxiety but can also be prescribed in combination with antidepressants, administered during seizures to improve prognosis, and utilized in anesthesia. It's crucial to use diazepam responsibly, as misuse can lead to dependence and potential interactions, particularly with opioids.