Gambling Disorder

What gambling disorder is

Gambling disorder is the term clinicians use for the condition most people call gambling addiction or compulsive gambling. The core of it is captured in a definition used in official Japanese guidance: a state in which daily life or social life is impaired as a result of becoming absorbed in gambling¹.

Two things are packed into that sentence, and both matter. The first is absorption: gambling has moved from something a person does to something that has taken hold of them. The second is impairment: the absorption is causing real damage to how the person lives, works, studies or relates to other people. Someone can gamble often, or for large stakes, without having a disorder. What separates gambling disorder from heavy gambling is that loss of control and the harm that follows from it.

This is not a matter of opinion or moral judgment. The World Health Organization classifies gambling addiction as a mental disorder, which places it in the same frame as other conditions that doctors assess, diagnose and treat². That is why the clinical name "gambling disorder" has largely replaced looser terms in medical settings, and why guidance in the region, such as a Thai guide for players, recommends seeing a psychiatrist at a nearby psychiatric hospital when gambling behavior fits this pattern².

If you are reading this because you are worried about your own gambling, or someone else's, the pages on signs of a gambling problem and signs a family member has a gambling problem go into the specific behaviors to look for.

How doctors define it: the official criteria

The definition used in official guidance describes the condition by its outcome: absorption in gambling, plus impairment in daily or social life¹. Clinicians in Asia work from the diagnostic manuals that formalize this, and the tools used in the region trace back to them. The self-assessment test published by the Hong Kong Jockey Club, for example, is explicitly based on the American Psychiatric Association's Diagnostic and Statistical Manual of Mental Disorders, the reference text that sets out the criteria for gambling disorder⁷.

That test, the BBGS, is a three-question screening tool⁷. Its brevity is deliberate: it is a first filter, not a diagnosis. The questions are built from the DSM criteria, which describe a persistent and recurring pattern of gambling behavior that causes significant distress or impairment. The DSM groups its criteria into areas that clinicians look for during an assessment:

• Loss of control: needing to gamble with more money over time to get the same feeling, or repeated unsuccessful attempts to cut down or stop.
• Preoccupation: thinking about gambling constantly, reliving past bets or planning the next session.
• Chasing: returning to gamble again, often with bigger stakes, to win back losses. This pattern is common enough that we cover it separately in chasing losses.
• Harm to life: lying to family or others about gambling, losing a job, a relationship, an education or a significant opportunity because of it.
• Relying on others: turning to family or lenders for money to relieve a desperate financial situation caused by gambling.

The number of criteria a person meets, and how long the pattern has lasted, are what a clinician weighs when deciding whether the label gambling disorder applies. The three-question BBGS gives a quick indication of whether a fuller assessment is worth pursuing⁷.

One point worth underlining: the criteria are about behavior and its consequences, not about how much money is involved. A person betting small amounts daily and borrowing to do so can meet the definition, while a wealthy person placing large bets they can comfortably afford may not.

Signs that daily life or social life is impaired

The official definition turns on impairment: gambling has to be damaging daily life or social life for the condition to be present¹. In practice, that impairment shows up in recognizable ways across the parts of a person's life.

Work and study. Gambling takes over time and attention. People arrive late or miss work or school, perform worse, or lose a job or a place on a course because sessions, or the exhaustion after them, crowd out everything else.

Money and debts. Savings disappear, bills go unpaid, and borrowing begins, first from family and friends, then from lenders. The gambling and debt page covers where to get help with the financial side.

Relationships. Secrecy becomes routine. The person hides how much they gamble, lies about where money went, or becomes distant and irritable when challenged. Family members often notice before the person admits anything.

Mental and physical health. Sleep suffers, anxiety and low mood are common, and in the worst cases the distress becomes a crisis. If gambling has made you or someone near you feel suicidal, the crisis help page lists crisis lines across Asia.

Social life. Hobbies, friendships and ordinary family roles get squeezed out. Social life shrinks to the gambling venue, the app, or the people connected to betting.

The pattern to notice is that these harms come from gambling and continue despite them. A single bad month after a big loss is not the same thing; impairment in the clinical sense is persistent and tied to the gambling itself¹.

Gambling disorder vs. problem gambling: the terms people use

You will meet several terms, and they are not always used consistently. Here is how they line up.

Gambling disorder is the clinical term, the one used in diagnostic manuals and by doctors. It corresponds to what the WHO classifies as a mental disorder².

Gambling addiction is the everyday term for the same thing. When official Japanese guidance describes a state of absorption in gambling with impaired daily or social life, it is describing what the public calls addiction¹. Clinicians tend to prefer "disorder" because it describes an assessable condition rather than a moral failing.

Compulsive gambling is an older name that is still in circulation. It emphasizes the driven, repetitive quality of the behavior.

Problem gambling is the broadest term. It is generally used to cover gambling that is causing harm, whether or not the person would meet the full clinical criteria for gambling disorder. In this sense, problem gambling is the umbrella and gambling disorder is the diagnosed condition within it. Helplines and counseling services across Asia use "problem gambling" in their names precisely because it does not require anyone to decide in advance whether the clinical threshold is met⁴.

Pathological gambling is the term you will see in older clinical literature and in some health materials in the region; it refers to the severe end of the same condition.

The practical takeaway: if a helpline, a self-test or a counseling service says "problem gambling," you do not need to work out which label fits before calling. The services are there for anyone whose gambling is causing harm, and for their families.

How a diagnosis is made

A diagnosis of gambling disorder is made by a doctor, based on an assessment against the clinical criteria described above. The process is a structured conversation, not a blood test: the clinician asks about gambling behavior, its course over time, and its effects on work, money, relationships and health, and compares what they hear with the diagnostic criteria.

Self-assessment tests sit upstream of that. The BBGS used by the Hong Kong Jockey Club is a three-question screen derived from the DSM, designed to tell a person quickly whether a proper assessment is warranted⁷. Singapore Pools similarly points worried customers toward self-assessment and, if the result concerns them, toward calling the National Problem Gambling Helpline⁸. A positive screen is not a diagnosis; it is a signal to talk to a professional.

The medical nature of the diagnosis is taken seriously in official systems. In Japan, a family applying to have a relative barred from betting venues under the entry restriction system can cite, as one ground, that the person has been diagnosed with a gambling disorder by a doctor³. In other words, the diagnosis is a formal medical fact that other institutions act on. Thai guidance likewise treats the condition as a mental health matter, directing people to psychiatric hospitals and to the Department of Mental Health's services².

If you want to try a screening test first, our page on gambling self-assessment tests explains the main questionnaires, including the BBGS and the PGSI, and what your answers do and do not mean. For what treatment actually involves, see gambling addiction treatment.

Where to find help and helplines

Every major jurisdiction in Asia has a gambling helpline, and most are free, confidential, and open to family members as well as the person gambling. Hong Kong's counseling hotline, for example, is explicitly for people with gambling disorder and their family members, offering immediate initial counseling⁹, and the city's counseling and treatment centers all support the hotline 1834 633⁵.

Here are the main numbers:

A few practical points about using these services:

• They are free. The National Gambling Helpline model, as described by GamCare, is completely free of charge, and the Asian helplines follow the same principle¹⁵.
• You can stay anonymous. Singapore's NCPG explicitly notes that a caller can remain anonymous and use webchat instead of the phone if they prefer⁴.
• Family members can call. The Hong Kong hotline is open to "problem and pathological gamblers and their families"¹⁷, and Japan has a dedicated self-help organization run by affected families¹³.
• Online and peer support exist too. Beyond phone lines there are support communities for people with a gambling problem¹⁸, multilingual online services, and peer groups; see Gamblers Anonymous and peer support in Asia and free online support for problem gambling.

If you are not sure where to start, our gambling helplines page lists numbers, hours and languages for twelve jurisdictions, and how to stop gambling sets out the first steps. If you are calling about someone else, help for families of problem gamblers explains what support exists for you, and family exclusion orders cover the formal step of barring a relative from casinos.