Remeron is not a barbiturate.
Remeron (mirtazapine) is a
tetracyclic piperazinoazepine antidepressant. It is used to relieve symptoms of depression such as feelings of sadness, worthlessness, or guilt; loss of interest in daily activities; changes in appetite; tiredness; sleeping too much; insomnia; and thoughts of death or suicide.
You will find more info on this drug at
http://remeron.drugs.com