Sedative, Hypnotic, or Anxiolytic Use Disorder 551
8. Recurrent sedative, hypnotic, or anxiolytic use in situations in which it is physically
hazardous (e.g., driving an automobile or  operating a machine when impaired by
sedative, hypnotic, or anxiolytic use).
9. Sedative, hypnotic, or anxiolytic use is continued despite knowledge of having a
persistent or recurrent physical or psychological problem that is likely to have been
caused or exacerbated by the sedative, hypnotic, or anxiolytic.
10. Tolerance, as defined by either of the following: 
a. A need for markedly increased amounts of the sedative, hypnotic, or anxiolytic
to achieve intoxication or desired effect.
b. A markedly diminished effect with continued use of the same amount of the sed-
ative, hypnotic, or anxiolytic.
Note:  This criterion is not considered to be met for individuals taking sedatives,
hypnotics, or anxiolytics under medical supervision.
11. Withdrawal, as manifested by either of the following:
a. The characteristic withdrawal syndrome for sedatives, hypnotics, or anxiolytics
(refer to Criteria A and B of the criteria  set for sedative, hypnotic, or anxiolytic
withdrawal, pp. 557–558).
b. Sedatives, hypnotics, or anxiolytics (or a closely related substance, such as al-
cohol) are taken to relieve or  avoid withdrawal symptoms.
Note:  This criterion is not considered to be met for individuals taking sedatives,
hypnotics, or anxiolytics under medical supervision.
Specify if: