Get 10% Discount Apply Coupon Code "USA10" Diazepam is a medicine that is part of the benzodiazepine class and is marketed under the name Valium. Benzodiazepines are sedatives, muscle relaxants, anxiolytics (lowering anxiety), and anticonvulsants that depress the central nervous system. Many medical diseases, such as anxiety disorders, muscular spasms, alcohol withdrawal, and some types of seizures, are frequently treated with diazepam.