Is ADHD Medication Addictive?

Short answer: Stimulant ADHD medicines can be misused, and if they aren’t taken as prescribed there’s a risk of dependence.¹ That’s why they’re Schedule 8 medicines with strict prescribing rules.² For people with diagnosed ADHD who take them as prescribed, the Australian ADHD Guideline says stimulant treatment does not increase the risk of substance use disorders.³

Why stimulants are controlled medicines

Medicines in Australia are scheduled according to their risks. Schedule 8 is for medicines with special rules to reduce the risk of misuse or dependence,² and it includes the stimulant medicines used to treat ADHD.⁴ In practice, prescribing them is tightly controlled:¹ doctors need whatever approvals or permits their state requires, and they check a real-time prescription monitoring system — such as QScript in Queensland or SafeScript in Victoria and New South Wales — before prescribing.⁵⁶⁷

Prescribed use versus misuse

Dependence risk is about how a medicine is used. healthdirect notes the risk of dependence arises when the medicines are not taken as prescribed.¹ Prescribed treatment is adjusted gradually against your symptoms, how you’re functioning and any side effects, with regular reviews — and the Australian ADHD Guideline lists the risk of stimulant diversion among the things doctors monitor.⁸

The Royal Children’s Hospital in Melbourne says stimulant medicines are not addictive in the doses used for children with ADHD.⁹

Does ADHD medication lead to substance use problems?

Substance use problems are more common in people with ADHD,¹⁰ and the Australian ADHD Guideline notes they may be a consequence of undiagnosed or untreated ADHD.⁸ Treatment doesn’t appear to add to that risk: the guideline states that providing stimulant treatment for ADHD does not increase the risk of substance use disorders.³

If you have a history of substance use, tell your doctor. It doesn’t automatically rule out treatment — the guideline has specific recommendations for people with both ADHD and a substance use disorder — but it shapes which medicine is chosen and how treatment is monitored.³

Is ADHD medication bad for you?

All medicines have side effects. For stimulants, the most common are reduced appetite, weight loss, increased anxiety and irritability, insomnia, stomach ache and headache, and stimulants can raise blood pressure.¹ That’s why the guideline recommends checking heart rate and blood pressure before and after each dose change and every six months.⁸

For adults whose ADHD causes significant impairment, the guideline recommends stimulant medicines as the first-line medication,⁸ and long-term studies associate ADHD treatment with better outcomes than no treatment.¹¹ Whether medication is right for you is a decision to make with your doctor.

Taking ADHD medication safely

• Take it exactly as prescribed, and don’t change the dose without talking to your doctor.
• Never share it — it’s prescribed for you only.
• Store it securely, out of reach of others.
• Tell your doctor about other medicines, alcohol and other drug use.
• Keep your review appointments.

Frequently asked questions

Is ADHD medication addictive?

Stimulant ADHD medicines can be misused, and there’s a risk of dependence if they aren’t taken as prescribed — which is why they’re Schedule 8 medicines with strict rules. For people with diagnosed ADHD taking them as prescribed, the Australian ADHD Guideline states that stimulant treatment does not increase the risk of substance use disorders.

Is ADHD medication bad for you?

Like all medicines, ADHD medicines have side effects — common ones include reduced appetite, trouble sleeping, headaches, anxiety and raised blood pressure — and your doctor monitors for them. For adults whose ADHD causes significant impairment, the guideline recommends stimulant medicines as the first-line medication.

Why are ADHD medicines so tightly controlled?

Stimulants are Schedule 8 medicines — the schedule for medicines with special rules to reduce the risk of misuse or dependence. Prescribers need the permits or approvals their state requires and must check a real-time prescription monitoring system before prescribing.

Next steps

Read ADHD medication in Australia and can a GP prescribe ADHD medication?

This article is general information only and is not medical advice. Don’t start, stop or change a medicine without talking to your doctor. ADHD GP is a private telehealth clinic staffed by AHPRA-registered Australian GPs.

Book your ADHD assessment

References

1. healthdirect (Australian Government). ADHD medicines — children and adults. 2025. www.healthdirect.gov.au — Stimulants adjust dopamine and noradrenaline; short-acting forms work soon after a dose and long-acting forms last longer; common side effects include reduced appetite, weight loss, anxiety, irritability and insomnia, and stimulants can raise blood pressure; prescribing is tightly controlled and there is a risk of dependence if not taken as prescribed.
2. healthdirect (Australian Government). Scheduling of medicines and poisons. 2025. www.healthdirect.gov.au — Schedule 8 medicines have special rules to reduce the risk of misuse or dependence.
3. Australian ADHD Professionals Association. Australian ADHD Guideline — co-occurring substance use disorders. 2022. adhdguideline.aadpa.com.au — Providing stimulant treatment for ADHD does not increase the risk of substance use disorders.
4. Therapeutic Goods Administration. Poisons Standard (SUSMP). 2026. www.tga.gov.au — Scheduling of medicines in Australia; psychostimulants used for ADHD are Schedule 8 (controlled drugs).
5. Queensland Health. About QScript (real-time prescription monitoring). 2026. www.health.qld.gov.au — Queensland prescribers must check QScript before prescribing monitored medicines such as psychostimulants.
6. Victorian Department of Health. SafeScript. 2026. www.health.vic.gov.au — Victoria’s real-time prescription monitoring system.
7. NSW Health. About SafeScript NSW. 2026. www.health.nsw.gov.au — NSW real-time prescription monitoring system for monitored medicines.
8. Australian ADHD Professionals Association. Australian ADHD Guideline — summary of recommendations. 2022. adhdguideline.aadpa.com.au — Recommends stimulants as first-line medication for adults with impairing ADHD and non-stimulants where stimulants are unsuitable; dose titration with monitoring of heart rate, blood pressure, weight, sleep, mood and anxiety; cognitive-behavioural interventions, coaching and lifestyle guidance; notes anxiety, depression and substance use may follow untreated ADHD.
9. The Royal Children’s Hospital Melbourne. Kids Health Info: ADHD. 2025. www.rch.org.au — The most common side effect of stimulant medicines is reduced hunger; stimulants are not addictive in the doses used for ADHD.
10. Kessler RC, Adler L, Barkley R, et al. The prevalence and correlates of adult ADHD in the United States: results from the National Comorbidity Survey Replication. American Journal of Psychiatry. 2006. PubMed PMID 16585449 — Estimated prevalence of current adult ADHD 4.4%; ADHD significantly correlated with other DSM-IV disorders.
11. Shaw M, Hodgkins P, Caci H, et al. A systematic review and analysis of long-term outcomes in attention deficit hyperactivity disorder: effects of treatment and non-treatment. BMC Medicine. 2012. PubMed PMID 22947230 — Treatment of ADHD was associated with improved long-term outcomes compared with no treatment.

Sources were last checked on 5 October 2026. See all sources used on this site on our Sources page.