What Is Cannabis Use Disorder?
Cannabis Use Disorder, often shortened to CUD, is the clinical term for a pattern of cannabis use that causes real problems in someone’s life but continues anyway. It’s a recognized diagnosis in the DSM-5, the manual clinicians use to diagnose mental health and substance use conditions — not just a casual way of describing “smoking too much.”
How it’s actually defined
CUD is diagnosed based on a checklist of eleven criteria covering things like using more than intended, unsuccessful attempts to cut back, cravings, continued use despite social or work problems, and withdrawal symptoms when stopping. Meeting two or three criteria within a year points to a mild disorder; more criteria mean moderate or severe.
Why this is different from just “using cannabis a lot”
Frequency alone doesn’t make a diagnosis. Someone can use cannabis daily without meeting criteria for CUD if it isn’t causing problems or a loss of control. What matters clinically is whether use has become difficult to stop despite consequences — the defining feature of any use disorder.
How common is it
Research suggests roughly 3 in 10 people who use cannabis will meet criteria for CUD at some point, with risk rising the younger someone starts and the more frequently they use. It’s more common than many people assume, partly because cannabis’s reputation as “not addictive” keeps people from recognizing the pattern in themselves.
Where CHS fits in
Cannabis Use Disorder and Cannabinoid Hyperemesis Syndrome often show up in the same person, since CHS requires the kind of sustained, heavy use that CUD describes. Recognizing a use disorder can be part of understanding why cessation — not moderation — is the only thing that resolves CHS.
FAQ
Is Cannabis Use Disorder the same as addiction?
They overlap heavily. CUD is the clinical diagnostic term; “addiction” is the more common lay term for the same underlying pattern.
Can CUD be treated without quitting completely?
Treatment approaches vary and some focus on reduction, but for anyone also dealing with CHS, complete cessation is the only approach known to resolve the physical symptoms.
Written by the CHS SOS Team · Last updated: July 2026