1.1) Anxiolytics (anti-anxiety) drugs such as benzodiazepines (e.g., Valium, Librium, Ativan, Klonopin, Rohypnol); 2.2) Barbiturates (e.g., Amytal, Nembutal, Seconal, Phenobarbital); 3.3) Other antianxiety and sleeping medications. These drugs act as central nervous system depressants (like alcohol).read more >>