What the WHO actually did
In its eleventh revision of the International Classification of Diseases (ICD-11), formally adopted in 2019, the World Health Organization introduced Compulsive Sexual Behaviour Disorder (CSBD) as a recognised diagnosis. This was significant: for the first time, a major international diagnostic system gave clinicians a defined entity for a persistent pattern of failure to control intense, repetitive sexual impulses, resulting in repetitive sexual behaviour over an extended period, causing marked distress or impairment in important areas of life. Crucially, the diagnosis requires that the distress is not simply about moral disapproval of one's own sexual behaviour. The WHO placed CSBD in the chapter on impulse-control disorders — not among the addictive disorders, and not among the obsessive-compulsive disorders. That placement was a deliberate scientific judgement, not an accident of filing.
Why "impulse-control disorder" and not "addiction"
The classification choice carries real meaning. By naming CSBD an impulse-control disorder, the WHO signalled that the evidence was not yet strong enough to treat compulsive sexual behaviour as a behavioural addiction analogous to gambling disorder, let alone to substance addictions like alcohol or opioids. An addiction model implies specific things — tolerance, withdrawal, a reward-circuit profile resembling drugs — that the committee judged were not sufficiently established for sexual behaviour. The impulse-control framing makes a narrower claim: that the core problem is a repeated failure to resist urges, causing harm. This left the door open to revise the classification if better evidence emerges, while avoiding committing the world's diagnostic system to a contested "sex addiction" model. The debate over whether that was the right call is genuine and ongoing among researchers.
Why the DSM-5 said no entirely
The American Psychiatric Association took a different and stricter path. When it published the DSM-5 in 2013, it declined to include "hypersexual disorder," which had been proposed and worked up with draft criteria. The reasons given centred on insufficient evidence that the proposed condition was a distinct, valid disorder, and on concern about potential misuse — for example in forensic settings, or to pathologise high but non-pathological sexual interest. So for several years there was a gap: clinicians in the United States had no formal diagnosis at all, while the WHO was moving toward CSBD. The two systems still differ. This is not a tidy consensus; it is two expert bodies weighing the same imperfect evidence and reaching different thresholds for what counts as a disorder.
What this means for "porn addiction"
Many people arrive at this topic having labelled themselves a "porn addict." It is worth being precise: neither the ICD-11 nor the DSM-5 contains a diagnosis called porn addiction or sex addiction. The closest formal entity is CSBD, and even that is an impulse-control disorder, not an addiction, and is not specific to pornography. Under ICD-11, problematic pornography use can be considered one possible manifestation of CSBD if the full criteria are met — including significant distress or impairment that is not merely moral disapproval. For many people who feel out of control with porn, the distress is real and deserves help regardless of what it is called. But the label "addiction" carries assumptions the diagnostic systems have not endorsed, and self-labelling as an addict can itself shape outcomes — a point the research on moral incongruence explores directly.
What to do with this information
If a pattern of sexual behaviour or pornography use feels genuinely out of your control, is persisting despite real harm to your relationships, work, or wellbeing, and is causing distress that goes beyond disapproving of yourself, that is worth taking to a qualified clinician — a psychiatrist, psychologist, or AASECT-certified sex therapist. A proper assessment can distinguish CSBD from other things that look similar: untreated mood or anxiety disorders, the effects of certain medications, relationship conflict, or distress driven mainly by a conflict between your behaviour and your values. The diagnostic label matters less than getting an accurate picture and appropriate support. This article explains a classification; it is not a diagnosis, and self-diagnosis from a checklist is exactly the trap the careful framing of CSBD was designed to avoid.
The honest bottom line
The WHO does recognise compulsive sexual behaviour as a disorder, but deliberately as an impulse-control problem rather than an addiction — and neither it nor the DSM has a diagnosis called "porn addiction," so the label you use should not outrun the evidence or replace a proper assessment.