Cannabis Use Disorders Identification Test — Revised (CUDIT-R)

Answer each question based on your cannabis use over the past 6 months, then select "Calculate score."

1. How often do you use cannabis?

Never Monthly or less 2–4 times a month 2–3 times a week 4+ times a week

2. How many hours were you "stoned" on a typical day when you had been using cannabis?

Less than 1 1 or 2 3 or 4 5 or 6 7 or more

3. How often during the past 6 months did you find that you were not able to stop using cannabis once you had started?

Never Less than monthly Monthly Weekly Daily or almost daily

4. How often during the past 6 months did you fail to do what was normally expected from you because of using cannabis?

Never Less than monthly Monthly Weekly Daily or almost daily

5. How often in the past 6 months have you devoted a great deal of your time to getting, using, or recovering from cannabis?

Never Less than monthly Monthly Weekly Daily or almost daily

6. How often in the past 6 months have you had a problem with your memory or concentration after using cannabis?

Never Less than monthly Monthly Weekly Daily or almost daily

7. How often do you use cannabis in situations that could be physically hazardous, such as driving, operating machinery, or caring for children?

Never Less than monthly Monthly Weekly Daily or almost daily

8. Have you ever thought about cutting down, or stopping, your use of cannabis?

Never Yes, but not in the past 6 months Yes, during the past 6 months

Total score: —

This questionnaire is designed for self-administration and is scored by adding each of the 8 items. Scores of 8 or more indicate hazardous cannabis use; scores of 12 or more indicate a possible cannabis use disorder for which further intervention may be required. This tool does not make a diagnosis on its own — discuss your results with your own health care provider.

Adapted from Adamson SJ, Kay-Lambkin FJ, Baker AL, Lewin TJ, Thornton L, Kelly BJ, Sellman JD. An Improved Brief Measure of Cannabis Misuse: The Cannabis Use Disorders Identification Test – Revised (CUDIT-R). Drug and Alcohol Dependence 2010;110:137–143.