We've had this and this paper look at antidepressant medication use in mild depression.
Yesterday we had updated guidance on the use of medication in the management of anxiety. NICE guidance now is that, "GPs should not offer benzodiazepines or antipsychotics to patients presenting with generalised anxiety disorder (GAD)," the one page summary is here.
Will that mean their drugs budget comes over to me, so I can treat them then? :P