Table 6 Criteria for cannabis withdrawal DSM-V^a

1. Halting of chronic and heavy cannabis use (almost daily to daily use over a minimum of a few months)

2. Three or more of the following within one week of halting cannabis usage that causes distress or impairment (in social, occupational or other areas of functioning) and is not attributable to another cause:

a. irritability, aggression or anger

b. anxiety or nervousness

c. difficulty sleeping (insomnia or disturbing dreams)

d. anorexia or weight loss

e. restlessness

f. depression

g. at least one physical symptom including: fever, chills, headache, abdominal pain, tremors, sweats