ADHD and Addiction: Evidence, Treatment and UK Support

Get help first if there is an immediate risk

Call 999 or go to A&E if someone is unconscious, is having a seizure, is struggling to breathe, has severe confusion, or is otherwise in immediate danger.

If you may be physically dependent on alcohol, do not stop suddenly without medical advice. The NHS alcohol-use disorder guidance explains that withdrawal can be dangerous and tells you when emergency help is needed.

For non-emergency support, contact your GP or a local drug or alcohol treatment service. The NHS guide to getting help for drug addiction explains that you can approach a service yourself as well as speaking to a GP.

The short answer

ADHD and substance use disorders can occur together. NICE recognises an increased risk of substance misuse and self-medication in people with ADHD, but this does not mean ADHD inevitably leads to addiction.

The relationship is complex. ADHD symptoms, impulsive decisions, attempts to cope with distress, co-occurring depression or anxiety, trauma, family history, availability of substances and social circumstances may all contribute. Different people have different combinations of risks and protections.

The safest conclusion is not that an "ADHD brain needs dopamine" or that one substance is correcting a chemical deficit. That explanation is too simple. It can also make risky use sound like a rational treatment when it is not.

Substance use, harmful use and dependence are not identical

People often use the word addiction broadly. A clinical assessment looks at what is happening in practice, including:

• difficulty controlling how much or how often a substance is used
• craving or a strong urge to use
• continuing despite harm to health, work, study, finances or relationships
• needing more to get a similar effect
• withdrawal symptoms when use is reduced or stopped
• risky situations, missed responsibilities or a narrowing of daily life around use

Not every person who uses alcohol or another drug has a substance use disorder. Equally, a person does not need to reach a particular stereotype before asking for help. If you are worried about a pattern or its consequences, that is enough reason to talk to a qualified service.

Why ADHD may be relevant

Impulsivity and planning

ADHD can affect pausing, anticipating consequences and following a plan when a reward is immediate. Those difficulties may increase risk in some situations. They do not remove personal agency or make harmful use unavoidable.

Practical barriers can also affect treatment. Forgetting appointments, losing prescriptions, inconsistent sleep or difficulty organising transport can make it harder to engage with care. These are problems a treatment team can plan around.

Coping with symptoms or distress

Some people describe using a substance to change how they feel, sleep, focus or socialise. This is sometimes called self-medication, but a person's own explanation is not proof that the substance is treating ADHD.

Short-term effects can be followed by worse sleep, mood, anxiety, concentration or physical health. Those changes may then intensify the original difficulty and reinforce the pattern.

If low mood or anxiety is part of the picture, read the guides to ADHD and depression and ADHD and anxiety after arranging appropriate clinical support.

Co-occurring conditions and circumstances

ADHD can coexist with depression, anxiety, trauma-related conditions and other mental health needs. Housing, debt, relationships, discrimination and access to care can also affect risk and recovery. A useful assessment considers the whole person instead of assuming that every difficulty is caused by ADHD.

ADHD medication when substance use is present

Substance use does not automatically rule out ADHD treatment, but it changes what a safe assessment and monitoring plan may need to cover.

NICE ADHD guidance recommends:

• assessing the risk of substance misuse and medication diversion before starting ADHD medication
• considering co-occurring mental health and social circumstances
• using slower dose titration and more frequent monitoring when substance misuse is present
• being cautious about stimulants where diversion is a concern
• avoiding preparations that can be easily misused if that risk is present

The prescriber may consider the substance involved, current pattern of use, physical and mental health, interactions, diversion risk and ability to attend monitoring. The decision is individual.

Does stimulant treatment create a later substance use disorder?

A 2013 meta-analysis of 15 longitudinal studies found that stimulant treatment in childhood neither increased nor reduced later substance use disorders overall. That is more cautious than claims that medication always protects against addiction.

It is also different from saying prescribed medication has no misuse risk. Taking more than prescribed, using someone else's medicine, sharing it or selling it can cause harm. Tell the prescriber if medication is being used differently from the prescription or if keeping it secure is difficult.

Do not stop ADHD medication or alter the dose without speaking to the prescriber. The UK ADHD medication guide provides general background, but it cannot replace a medication review.

Treatment should address both sets of needs

There is no universal instruction to "fix the addiction first" or "treat the ADHD first." The appropriate plan depends on immediate safety, withdrawal risk, the substance involved, current mental state and the services available.

NICE guidance for drug misuse says people should receive respectful, competent care and information about abstinence-oriented, maintenance-oriented and harm-reduction options. Depending on the assessment, treatment may include:

• medical support for withdrawal or dependence
• prescribed treatment for a substance use disorder
• psychological or psychosocial interventions
• harm-reduction support
• mutual-aid or peer support
• assessment and treatment of ADHD and other mental health conditions
• practical help with health, housing, family or social needs

Be honest about current use even if you are worried it will affect an ADHD assessment. Hiding it can make prescribing less safe. A good clinician should respond without moral judgement and explain how the information changes the plan.

Finding UK support

Drug support

The NHS page on drug addiction and getting help explains how to contact a local service and what may happen at the first appointment. Treatment is tailored to the person's circumstances and the substance involved.

Alcohol support

Use the NHS alcohol addiction service finder or speak to your GP. If you experience withdrawal symptoms, get medical advice before reducing or stopping alcohol.

ADHD assessment or review

If ADHD has not been diagnosed, a specialist assessment should consider childhood history, current symptoms, impairment, other conditions and substance use. The ADHD diagnosis in the UK guide and Right to Choose guide for England explain referral routes.

If ADHD is already diagnosed, ask the existing ADHD service or prescriber for a review. Bring the same substance-use information you give the addiction service so the teams are working from an accurate picture.

Supporting someone else

You can help without becoming the person's clinician.

• Listen without shaming or arguing about labels.
• Encourage contact with a GP or local treatment service.
• Offer practical help with finding the service, making a list for the appointment or arranging transport.
• Do not give, share, hide or alter prescribed medication.
• Take severe withdrawal, loss of consciousness, breathing difficulty or other immediate danger seriously and call 999.
• Look after your own safety and seek support for yourself if the situation is affecting you.

Where ADHD mentoring may fit

ADHD mentoring is not addiction treatment. It cannot assess withdrawal, manage medication, provide detoxification, deliver psychotherapy or respond to a crisis.

When someone is medically stable and has appropriate clinical support, mentoring may help with practical ADHD-related barriers such as calendars, reminders, appointment preparation, routines and breaking agreed actions into manageable steps. The addiction and clinical teams remain responsible for treatment and safety.

If that scope matches what you need alongside clinical care, you can book a free 15-minute discovery call. The call is for discussing non-clinical ADHD mentoring, not for urgent help or addiction treatment.

This article was source-checked on 29 July 2026 against NHS and NICE guidance and peer-reviewed research. It is general information and has not been reviewed by an addiction psychiatrist or specialist drug and alcohol clinician.