Using tobacco in larger amounts or for a longer period than intended
A persistent desire or unsuccessful efforts to cut down or control tobacco use
A great deal of time is spent in activities necessary to obtain or use tobacco
Craving, or a strong desire or urge to use tobacco
Recurrent tobacco use resulting in a failure to fulfill major role obligations at work, school, or home
Continued tobacco use despite having persistent or recurrent social or interpersonal problems caused or exacerbated by the effects of tobacco
Important social, occupational, or recreational activities are given up or reduced because of tobacco use.
Recurrent tobacco use in situations in which it is physically hazardous
Tobacco 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 tobacco.
Tolerance
Withdrawal