For People With Mental Illness, Drugs And Alcohol Can Be A Key Survival Strategy. I've Learned They Shouldn't Have To 'Get Clean' To Get Treatment

(MENAFN- The Conversation) A decade ago, while working in a women's prison, I met a young woman whose story would leave an indelible mark on me. She had endured severe abuse at the hands of men, and I was initially concerned that, as a male social worker, my presence might rekindle her trauma. Yet, through careful and considered engagement, we were able to forge a relationship of trust.

Jenny* confided in me that heroin had become her refuge – the only respite that quieted the relentless storm of her thoughts. But her dependency had brought dire consequences: the removal of her children and her subsequent imprisonment for possession with intent to supply. Even so, Jenny told me that before she was imprisoned:“Heroin was the only thing that helped me to cope.”

While inside, she experienced regular flashbacks and profound anxiety. Her treatment regime included antipsychotic medication Seroquel and heroin replacement Subutex – but Jenny didn't use them conventionally.“The only way they help is if I grind them together and snort them,” she explained. This method provided her a fleeting, euphoric respite from her psychological torment.

Across the world, we're seeing unprecedented levels of mental illness at all ages, from children to the very old – with huge costs to families, communities and economies. In this series , we investigate what's causing this crisis, and report on the latest research to improve people's mental health at all stages of life.

It wasn't Jenny's drug revelation that struck me most profoundly, but the reaction of some of my prison colleagues. Her unconventional use of the medication was labelled substance abuse, leading to her being ostracised by the prison's mental health service, which refused to work with her until she“sorted out” her drug issues.

Even though I had known Jenny for a year, it was only when she was about to be released from prison that I really understood how serious her situation was. I was shocked to see her breaking the prison's rules on purpose because she didn't want to leave. She started smoking in places she shouldn't, damaged her own cell and areas everyone used, attacked another prisoner, which was not like her at all, and started using spice and hooch.

Jenny preferred staying in jail over facing life outside, but she was let out all the same. A week after her release, I received news that she had died from a heroin overdose.

Jenny's tragic story left me with many questions – what were the underlying causes of mental illness? What spurred the spiral into addiction? Why did individuals turn to substance use? – that, even after six years as a mental health social worker working in prisons and psychiatric hospitals, I had neither the knowledge nor experience to answer. Talking to colleagues did not resolve them, so I sought answers by returning to academia alongside my day job.

A postgraduate diploma helped me better understand the theories of mental health from neuroscientific, psychiatric and pharmacological perspectives. But above all, I realised that many of the people I was now encountering in my new role, working in a crisis home treatment team (a community-based team set up to support people experiencing severe mental health issues), would never get better. Rather, they would just keep coming back with a new crisis.

And for a large majority of them (around four in five), substances ranging from highly addictive narcotics to potent, mind-altering chemicals would be a key part of their daily lives in addition to, or as an alternative for, their prescribed psychiatric medication.

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Roger was one of many people I met who relied on Spice , a synthetic cannabinoid designed to mimic the effects of naturally occurring THC . (In addition to consumption by smoking, there are increasing reports of synthetic cannabinoids being used in e-cigarettes or vapes .)

Nonetheless, Roger told me Spice was the“only thing that would help sort my head out”. And, after listening to a lecture from me about the dangers of these substances, he responded:

It was clear that Roger knew much more about the effects of Spice than I did. Interactions like this ignited a desire in me for deeper knowledge – not from books or universities, but directly from people with co-existing mental health and addiction problems.

Perhaps surprisingly, in the UK we don't know how many people are living in this combined state. Estimates have tended to focus only on people with severe mental health problems and problematic substance use. For example, a 2002 Department of Health guide suggested that 8-15% of its patients had a dual diagnosis – while acknowledging that it is difficult to assess exact levels of substance use, both in the general population and among those with mental health problems.

A decade earlier, US research had identified that for people with schizophrenia , substance use (non-prescribed drugs) was a significant problem relative to the general population. More recently, a 2023 global review of evidence identified that the prevalence of co-existing mental health and substance use among children and adolescents treated for psychiatric conditions ranged between 18.3% and 54%.

But what I found particularly interesting was an analysis of the writings of Thomas De Quincey from more than 200 years ago. In his 2009 article Lessons From an English Opium Eater: Thomas De Quincey Reconsidered , leading clinical academic, John Strang, highlighted that issues raised by De Quincey in 1821 remain causes for concern some two centuries later.

De Quincey was arguably the first person to document his own use of substances, in particular opium. His writing shows that he self-medicated to manage pain, including“excruciating rheumatic pains of the head and face”:

De Quincey's use of non-prescribed drugs mirrors that of John, Jenny, Roger and so many other people I have met as a social worker. Clearly, we've known about the close relationship between mental illness and substance abuse for hundreds of years, yet are still wrestling with how best to respond.

Read more: Guide to the classics: Confessions of an English Opium Eater by Thomas De Quincey – a dense, strange journey through addiction

Official guidance almost always advocates for a “no wrong door” policy , meaning that those with dual addiction and mental health issues will get help whichever service encounters them first. But from what people with lived experience were telling me, this was not the case.

I sent freedom of information requests to 54 mental health trusts across England, to try to discern any patterns of variation in the way their patients were being measured and treated. Some 90% of the trusts responded, of which a majority (58%) recognised the dual occurrence of mental illness and substance use. However, the estimated prevalence of this dual diagnosis varied widely – from only nine to around 1,200 patients per trust.

What I found most alarming was that less than 30% of the mental health trusts said they have a specialised service for addiction which accepts referrals for dual diagnosis patients. In other words, throughout England, a lot of these patients are not being appropriately supported.

Carl had been using heroin for more than ten years when I interviewed him. When I asked if he wanted to stop, he shrugged and said no, explaining:

Talking to Carl underlined that many users know far more than me about the substances they take and why they take them. Yet as soon as a professional (typically a nurse, social worker or doctor) hears they are taking an illegal substance, or are misusing a legal substance such as alcohol, they are stigmatised and often ostracised from service provision.

Suzanne was homeless and also using heroin, but for different reasons to Carl. I asked why she started using it:

In summer, Suzanne explained, she would switch to taking“phet” – amphetamines. I asked her why:

Hearing the stories of people fighting their personal battles with mental health and substance use issues was at once haunting and cathartic for me. It was deeply moving to hear them, time and again, struggling with the most difficult aspect of their condition: the simple decision to ask for help. And sadly, far too often, when they did summon the courage, their requests would go unheard, unheeded, or they would be engulfed by a sprawling system that seemed unable to help.

Dave had been using alcohol for many years and had asked for support on several occasions – only to be passed from service to service:

Dave said he wasn't shy about asking for help – at least, for a while. But he found himself caught in a downward spiral that led to more drinking, more suffering, and less support:

To expand my understanding, I also sought the perspectives of a dozen people working on the frontline of mental healthcare – from professionals in NHS mental health and substance use teams, to people working for charitable support groups. Their insights revealed a frayed and fragmented network of services , with the holes and inefficiencies obvious and crying out for attention and repair. As one nurse explained:

Over 80% of the professionals I spoke to called for an integration of mental health and substance use teams, in part because of the huge cuts nationwide in funding to substance use services. One social worker in a substance use service explained the current situation:

For all the professionals I interviewed, the most significant barrier to getting support for someone's mental health issues was that they used substances and would not receive any treatment until they addressed this. As one mental health nurse told me:

In the shadows of our society, hidden behind the walls of our prisons and in the dark corners of our streets, the experiences of Jenny and countless others bear witness to the profound failings of our healthcare system to address co-existing mental health and substance use issues. For those caught in the merciless cycle of addiction and illness, these systemic inefficiencies and administrative blockades do much to intensify their torment.

Their often brutally honest accounts (and the insights of those who try to support them) draw a portrait of a split and underfunded service, collapsing under the weight of its contradictions. The loud calls for integrated mental health and substance addiction treatment become muffled amid the bureaucratic din of funding cuts, lengthy waiting lists and policy neglect.

The evidence overwhelmingly confirms the need for a model of care that is holistic and integrated – one that shifts the narrative from stigma and isolation to awareness and support.

The economic case for reshaping investment in our mental health and substance misuse services is powerful. The annual cost of mental health problems to the UK economy is a staggering £117.9 billion – equivalent to 5% of its annual GDP – with substance misuse adding a further £20 billion .

However, these figures tell only part of the tale. While we know that 70% of people in treatment for drug misuse and 86% of people in treatment for alcohol misuse have a mental health diagnosis, the full financial impact of people with these co-occurring disorders is probably far greater.

This also includes people who often plough through a punitive and bewildering series of services as they navigate their intersecting problems, encountering barriers at every turn that fail to address their acute health and social care needs. As their distress is amplified, the costs to wider society escalate too – as one social worker explained to me:

In the quiet confines of a West Midlands mental health crisis centre, I'm preparing to meet someone whose story I know only from the clinical notes on my screen. The phrase“is alcohol dependent” is highlighted in bold. Behind those words is another person whose life is unravelling in the silence of a battle fought alone.

John walks into the room, a man living in the grip of two relentless forces – addiction and mental illness.“It was just to stop the noises,” he says of the whisky he uses as medication for his inner turmoil. His hands are trembling. This is the moment of truth – his story is no longer trapped within the clinical pages of a case file.

“I've lost everything,” he tells me.“I might as well be dead.”

Then John explains why he's given up hope:

Over the past 15 years, I have met countless“Johns”, both during my day job as a mental health social worker and, latterly, in my academic research. This has led me to conclude that the health and social care system in which I work falls catastrophically short.

This is no mere professional critique. It is an impassioned plea for society to rediscover its collective heart; to explore the human stories that lie hidden in statistics such as that, between 2009 and 2019, 53% of UK suicides were among people with comorbid diagnoses of mental health and substance use.

Instead of viewing people through the limiting lens of labels, we should endeavour to see their humanity. Engaging in conversation, extending empathy and showing compassion are powerful actions. A kind word, an understanding nod or a gesture of support can affirm their dignity and spark a connection that resonates with their innate human spirit. Or as John, whose journey I've had the privilege to witness, puts it:

*All names in this article have been changed to protect the anonymity of the interviewees.

If you or anyone you know require expert advice about the issues raised in this article, the NHS provides this list of local helplines and support organisations .

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