DAZ 5mg (diazepam) is one of many chemically-related tranquilizers in the class of drugs called benzodiazepines. Benzodiazepines are sedative-hypnotic drugs that help to relieve nervousness, tension, and other anxiety symptoms by slowing the central nervous system. DAZ 5mg may be taken with or without food Overdose of benzodiazepines is usually manifested by central nervous system depression ranging from drowsiness to coma