toxication or acute withdr awal or there is a histor y of an anxiety disorder.
Delirium. If panic or anxiety symptoms occur exclusively during the course of delirium,
they are considered to be an  associated feature of the de lirium and are not diagnosed sep-
arately. 
Anxiety disorder due to another medical condition. If the panic or anxiety symptoms
are attributed to the physiological consequenc es of another medical condition (i.e., rather
than to the medication taken for the medical condition), anxi ety disorder due to another