Welcome to the topic Valium Addiction And Abuse. Diazepam is the standard term for Valium. It is a benzodiazepine, which is a class of medications. Among other problems, Valium is commonly prescribed to treat anxiety disorders and episodic anxiety (such as anxiety that follows a traumatic experience). There are two types of benzodiazepines: those that take effect quickly and those that take effect slowly. Within 30-60 minutes of taking Valium, the sedative effects begin to…