Last Updated:
May 15th, 2026
Why substance abuse in children is easy to miss
Most parents who discover their child has been using substances say the same thing: they didn’t see it coming. That reaction is understandable, because teen substance abuse doesn’t look the way people expect it to.
The image most of us carry is of someone who has visibly lost control, but the reality for young people is different. Children or teens who are developing a problem are still going to school and still functioning well enough on the surface that nothing triggers alarm.
That gap between expectation and reality is what makes it so easy to miss, and it’s also what allows the problem to develop further before anyone intervenes.
The numbers make the scale of this clearer, with an NHS survey finding that around 11% of 15-year-olds in England had taken drugs in the previous year.
Government data shows that 14,352 children and young people aged 17 and under were in alcohol and drug treatment between April 2023 and March 2024, a 16% increase on the previous year.
These are not small numbers, and they represent young people whose substance use reached a point where professional support was needed.
What the signs of substance abuse actually look like
The difficulty with recognising substance abuse in children is that many of the signs overlap with normal adolescent behaviour. Mood swings and pulling away from the family are part of growing up, which makes it harder to know when something more serious is developing beneath the surface.
What can distinguish a substance problem from typical teenage behaviour is the pattern. You’re not looking for a single red flag, and instead, you’re looking for several changes happening at the same time and persisting beyond what you’d normally expect.
Below, we take a look at some of these signs:
None of these on their own confirms a problem, because individually, they’re pretty much normal teen behaviour. But if you’ve noticed several of them developing at the same time, it’s worth trusting that instinct rather than explaining it away.
Parents are usually the first to sense that something has changed, even when they can’t quite name what it is.
How does addiction form in young people?
Substance use among young people doesn’t come from nowhere,, and understanding what’s driving it is the first step toward helping.
Peer pressure
Fitting in with a social group can feel like the most important thing in the world at this age. If your child’s friends are drinking or experimenting with substances, saying no can feel like it puts them at risk of being excluded. That kind of social pressure is difficult to resist when belonging to the group feels like survival.
Mental health difficulties
There’s still a widespread assumption that children aren’t old enough to experience real mental health conditions, and this is one of the most damaging misconceptions a parent can hold. Government data shows that 49% of young people entering substance misuse treatment also reported having a mental health treatment need.
When a young person is dealing with anxiety or depression and doesn’t have the language or the confidence to ask for help, substances can become a form of self-medication. In some cases, they may be using because they’re trying to manage something they don’t fully understand.
Stress at home and school
The pressure on young people today is easy to underestimate. School can feel relentless, with exams and the expectation that they should already have their future mapped out. If home life is unstable on top of that, which could be conflict between parents or something they haven’t told anyone about, the emotional load can become too much.
Turning to substances in that situation is a response to pressure that hasn’t been properly addressed.
How to have the conversation with your child
The fear of saying the wrong thing can feel just as paralysing as the concern itself, and it’s easy to keep putting the conversation off in the hope that the problem will resolve on its own.
The way you raise this with your child will shape how they respond, and the approach matters more than the words. Choose a moment when things are relatively calm and when you have enough time to talk without being rushed or interrupted.
When you do start, lead with what you’ve noticed rather than what you think they’ve done wrong. There’s a real difference between “I’ve noticed you seem really down lately and I’m worried about you” and “I know you’ve been taking drugs.”
If your child shuts down the first time, that doesn’t mean the conversation has been wasted. It means the door has been opened, and they know you’re paying attention. It may take more than one attempt before they’re ready to engage, and during that waiting period, the most important thing is that they know you’re coming from a place of concern rather than punishment.
Why acting sooner matters
If you’re weighing up whether to act now or wait and see, the evidence points toward acting sooner. The adolescent brain is still developing, and the areas responsible for decision-making and impulse control are among the last to fully mature.n
When substances are introduced during this window, they can interfere with that development in ways that carry longer-term consequences.
The earlier a problem is identified and addressed, the less time substances have had to become embedded in your child’s coping patterns.
If you’re unsure whether your child’s use has reached the point where professional help is needed, speaking with a specialist can help you get clarity without committing to anything.
How Banbury Lodge can help
Banbury Lodge is one of the UK’s few rehabs able to treat young people aged 16–18, offering early intervention that can make a real difference in recovery from addiction or eating disorders. We provide a safe, structured environment focused on lasting recovery.
If your child is under 16, the best route to support is through your GP, who can refer them to local child and adolescent mental health services (CAMHS) or a dedicated young people’s drug and alcohol team. Some areas allow direct contact with these services without needing a GP referral.
Whether your child is old enough for residential treatment or needs to be signposted to age-appropriate services, speaking to our team can help you understand what’s available and what the right next step looks like. Contact Banbury Lodge today.
(Click here to see works cited)
- NHS Digital. (2024). Smoking, drinking and drug use among young people in England, 2023. https://digital.nhs.uk/data-and-information/publications/statistical/smoking-drinking-and-drug-use-among-young-people-in-england/2023/part-8-drug-use-prevalence-and-consumption
- Office for Health Improvement & Disparities. (2024). Children and young people’s substance misuse treatment statistics 2023 to 2024: Report. GOV.UK. https://www.gov.uk/government/statistics/substance-misuse-treatment-for-young-people-2023-to-2024/children-and-young-peoples-substance-misuse-treatment-statistics-2023-to-2024-report
- Cleveland Clinic. (2025). Prefrontal cortex: What it is, function, location & damage. https://my.clevelandclinic.org/health/body/prefrontal-cortex


