The title of this article isn't an exaggeration. Gambling is built, by design, to take more than it gives back over time — and gambling disorder is what happens when someone keeps playing anyway, even as the losses mount and the harm becomes undeniable. Unlike substance addiction, there's no drug in the bloodstream to point to. That's precisely what makes it so easy to miss, in others and in oneself.
What Is Gambling Disorder?
Gambling disorder is defined as persistent and recurrent problematic gambling behaviour leading to clinically significant impairment or distress.[3] When diagnostic manuals were being revised, an expert workgroup reviewed a wide range of potential "behavioural addictions" — including internet and gaming disorders — and ultimately recommended that only gambling disorder be formally classified alongside substance use disorders, based on substantial evidence regarding its symptom pattern, associated distress, neurobiology, and treatment response.[4]
Estimated prevalence varies by country and methodology, ranging from roughly 0.5% of the adult population in the United States to as high as 5-7% in some other regions.[1][3] Because help-seeking typically only happens after financial, social or family problems have already become serious, the true scale of the problem is likely underestimated.
Gambling disorder is one of the most under-recognised conditions I see, even within clinical settings — people go unnoticed and untreated far more than with substance addictions, partly because there's no physical sign to prompt a conversation. Often, it's a spouse discovering missing savings, or a family member noticing borrowed money that never gets explained, that finally brings it to light.
What Conditions Commonly Occur Alongside Gambling Disorder?
A major U.S. national survey found that among people with a lifetime history of pathological gambling, 73.2% also had an alcohol use disorder, 38.1% a drug use disorder, 60.4% nicotine dependence, 49.6% a mood disorder, 41.3% an anxiety disorder, and 60.8% a personality disorder.[2] Gambling disorder has also been associated with an elevated risk of death by suicide, underscoring how seriously this condition needs to be taken.[3]
Can Medication Trigger Gambling Disorder?
This is a genuinely important and often-missed clinical detail. Dopamine agonists are known to increase the risk of new-onset gambling disorder, as well as exacerbation of existing gambling disorder, and this effect has been documented across multiple studies in patients being treated for Parkinson's disease.[5] Anyone prescribed these medications — or their family — should know to watch for this and raise it with the prescribing doctor promptly if it emerges.
I've had patients and families genuinely bewildered by a sudden gambling problem that seemed to come from nowhere in someone with no prior history at all — until we traced it back to a medication change. This is one of the clearest examples in psychiatry of a behaviour having a biological trigger rather than a moral one, and recognising that can lift an enormous amount of unwarranted guilt.
What Does Treatment Involve?
- Cognitive behavioural therapy (CBT): The best-supported psychological treatment, directly targeting the thought patterns and urges that drive gambling behaviour
- Peer support programmes: Gamblers Anonymous and similar structured peer support are commonly used alongside individual therapy, with real evidence of benefit
- Medication: No medication currently has a formal approved indication for gambling disorder, but opioid receptor antagonists, SSRIs, and mood stabilisers have shown benefit in clinical trials and are sometimes used off-label, particularly when other psychiatric conditions co-occur[3]
- Treating co-occurring conditions: Given how frequently gambling disorder overlaps with substance use, mood and anxiety disorders, addressing these together is often essential for treatment to hold
- Practical safeguards: Structural measures — self-exclusion programmes, handing financial control to a trusted person temporarily, blocking access to gambling apps and sites — provide a concrete layer of protection while therapy does its deeper work
"The game is designed to take more than it gives. Recovery starts with recognising that the loss was never a personal failing — it was the system working exactly as designed."
— Dr. Varun Gupta
Frequently Asked Questions
Is gambling disorder really an addiction, or just poor self-control?
It is a recognised addiction. Gambling disorder was classified alongside substance use disorders because of substantial evidence on its symptom pattern, associated distress, neurobiology and treatment response.
Can medications used for other conditions actually cause gambling disorder?
Yes, in specific cases. Dopamine agonist medications, used for Parkinson's disease and restless legs syndrome, are a known risk factor for triggering new-onset gambling disorder or worsening an existing one — this should be discussed with a prescribing doctor.
Is gambling disorder treatable?
Yes. Cognitive behavioural therapy, peer support programmes like Gamblers Anonymous, and certain medications used off-label can meaningfully reduce gambling behaviour and its consequences.
References
- PubMed. Gambling Disorder. pubmed.ncbi.nlm.nih.gov/31346179
- PubMed. Comorbidity of DSM-IV Pathological Gambling and Other Psychiatric Disorders: Results From the National Epidemiologic Survey on Alcohol and Related Conditions. pubmed.ncbi.nlm.nih.gov/15889941
- PMC. Treatment Modalities for Patients With Gambling Disorder. ncbi.nlm.nih.gov/pmc/articles/PMC5410060
- PMC. Behavioral Addictions as Mental Disorders: To Be or Not To Be? pmc.ncbi.nlm.nih.gov/articles/PMC5992581
- PMC. Dopamine Agonist Prescribing in a Gambling Disorder Patient Population. ncbi.nlm.nih.gov/pmc/articles/PMC12242235
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