The contents of this page have been copied to Talk:List_of_drugs. Please put comments there. I (User:MattKingston) am in the process of creating a list of drugs and their various names. AR = Age Restriction, Clinical Prior Authorization Required PA = Clinical Prior Authorization Required Non-preferred medications require prior authorization QL = Quantity Limit Applies How are sedatives used? Medically, barbiturates are prescribed for acute anxiety, tension and sleep disorders. Benzodiazepines are prescribed for anxiety, acute stress reactions, and panic attacks. Drugs that are Not Covered* *Please check member benefit documentation to determine inclusion in the Drugs Not Covered program. †Alternatives may be covered or available for purchase Over The Counter (OTC). Barbiturates belong in a class of drugs called Central Nervous System Depressants and are typically prescribed to treat people with insomnia or symptoms of anxiety.