Use Code:
ADHD150
for
£150 OFF
If you or someone you know acts on urges that feel impossible to resist, even when knowing the consequences, and also struggles with attention and impulsivity more broadly, an impulse control disorder (ICD) and ADHD may both be present. These conditions share a neurobiological foundation and co-occur more frequently than most people realise.
Get clarity now:
Our clinicians offer flexible assessment options to suit your schedule and preferences.
If you or someone you know acts on urges that feel impossible to resist, even when knowing the consequences, and also struggles with attention and impulsivity more broadly, an impulse control disorder (ICD) and ADHD may both be present. These conditions share a neurobiological foundation and co-occur more frequently than most people realise.
Get clarity now:
Our clinicians offer flexible assessment options to suit your schedule and preferences.
Impulse control disorders (ICDs) and ADHD share a fundamental feature: difficulty resisting urges and regulating behaviour in the moment. Both involve differences in the brain’s prefrontal systems and reward pathways, particularly the circuits governing inhibitory control and the experience of delayed reward. This shared neurobiological ground is why ICDs and ADHD co-occur more frequently than chance would predict, and why impulsivity is a defining feature of both.
The DSM-5 groups impulse control disorders as: Intermittent Explosive Disorder, Kleptomania, and Pyromania, alongside Oppositional Defiant Disorder and Conduct Disorder, which have separate condition pages here. Research consistently shows elevated rates of ADHD across all ICD populations, and conversely that impulsivity in ADHD creates real vulnerability to developing specific impulse control difficulties.¹ Understanding whether ADHD underlies or amplifies impulse control difficulties matters for getting support that addresses the root rather than the surface behaviour.
The DSM-5 defines impulse control disorders as conditions involving failure to resist urges to perform acts that are harmful to oneself or others. This page covers the;
Three main ICDs most relevant to ADHD:
Recurrent explosive outbursts of aggression disproportionate to the trigger. The most common ICD and the one with the strongest ADHD co-occurrence.
Recurrent, irresistible urges to steal objects that are not needed. More common in women.
Recurrent impulses to set fires for pleasure or tension relief, not for gain or revenge. A rare condition.
Symptoms vary significantly by specific ICD type. What all ICDs share is the experience of a building internal tension before the act and a sense of release or relief after it.
Note: Every person’s experience of impulse control difficulties and ADHD is different. The patterns below are meant to help you recognise and name what may be happening, not to replace a professional assessment.
1. Intermittent Explosive Disorder (IED): IED involves recurrent episodes of explosive, disproportionate aggression, including verbal or physical outbursts. Episodes occur on average twice weekly for three or more months, and the severity of the reaction is grossly out of proportion to the triggering event. Between episodes, behaviour is typically appropriate. The disorder involves genuine difficulty inhibiting the aggressive impulse, not simply a temper problem. Research estimates a population prevalence of approximately 2.7%.¹
Common features include:
2. Kleptomania: Kleptomania involves recurrent, irresistible urges to steal objects that are not needed for personal use and have no significant monetary value. The stealing is not motivated by anger, revenge, or financial need. Items are often discarded, returned, or hidden. The condition affects approximately 0.6% of the population and is significantly more common in women.¹
3. Pyromania: Pyromania is characterised by recurrent impulses to set fires, accompanied by fascination with fire and pleasure or relief from fire-setting. It is not motivated by financial gain, anger, or revenge. Pyromania is rare; only around 3% of individuals arrested for arson meet the diagnostic criteria for the condition.¹
In children:
In adults:
Impulsivity, difficulty resisting urges, and explosive behaviour can arise from ADHD, an impulse control disorder, or a combination of both.
Impulse control disorders are conditions characterised by failure to resist specific, recurring urges to perform acts that cause harm, despite building tension and genuine attempts to resist. The behaviour is not random or simply impulsive in the everyday sense. It is tied to a specific cycle of tension and relief that is compulsive in nature. ICDs require clinical assessment for accurate diagnosis, as the behaviour can be mistaken for deliberate antisocial action, ADHD impulsivity, or mood disorder symptoms.
ADHD is a neurodevelopmental condition affecting attention, activity levels, and impulse control across all areas of life. It begins in childhood and its difficulties are persistent, consistent, and present across all settings. The impulsivity of ADHD is broad and pervasive; it affects decision-making, social behaviour, and task management across all situations. It does not typically produce the specific tension-relief cycle that characterises impulse control disorders, though the two can and do co-occur.
Seeing overlap in both columns? When ADHD impulsivity underlies or amplifies a specific impulse control difficulty, treating the ADHD is often the most important step. An ADHD assessment can clarify what is driving the broader picture.