Recognising the Signs of Teen Alcohol or Drug Use: A Guide for Parents

If a teenager’s mood, sleep, friendships, or school performance change and the change lasts more than a couple of weeks, it can be worth a closer look — though such shifts often have other explanations, from ordinary adolescent development to stress, bullying, or a mental health difficulty. Alcohol or drug use is one possible explanation among several, and a calm, curious conversation is usually the most useful first step.

If this is an emergency, act now. If a young person is unconscious, unresponsive, cannot be woken, or has slow/difficult breathing or blue-grey lips, skin, or fingernails after using any substance, this is a medical emergency — do not wait to see if they “sleep it off” [2]. Contact emergency services immediately and stay with them until help arrives. In the UAE, the verified emergency numbers are 999 (Police), 998 (Ambulance), and 997 (Civil Defence/Fire) [9]. These numbers should be re-confirmed against official UAE government sources at the time you need them, as contact details can change.

Key takeaways

• No single sign proves substance use — it is the cluster, duration, and intensity of changes together that matters most [1].
• Warning signs generally fall into physical, emotional, family, school, and social categories [1].
• Most adolescent experimentation does not automatically become a substance use disorder, but certain risk factors raise the likelihood of a more serious pattern [1].
• How you start the conversation matters: open, non-judgemental communication tends to work better than confrontation [1][6].
• Co-occurring mental health conditions are common and worth exploring alongside any concern about substance use [3].
• A qualified mental-health professional can help assess what is going on and coordinate appropriate next steps — you do not have to work this out alone.

Why Adolescence Carries Elevated Risk

The teenage years bring significant brain development, particularly in the areas responsible for decision-making, impulse control, and weighing long-term consequences [4]. Because these systems are still maturing, adolescents are generally more vulnerable to the effects of alcohol and other drugs than adults are [4]. Substance use also tends to escalate more quickly in adolescents than in adults, and starting earlier — particularly before age 15 — is linked to a higher likelihood of more serious, longer-term difficulties [4]. AACAP notes it is genuinely difficult to predict in advance which teens will experiment and stop, and which may develop a more serious pattern [1]. This is also why warning-sign awareness works best when it covers alcohol and other drugs together rather than a single substance: US national surveillance of 13–18-year-olds assessed for substance-use treatment between 2014 and 2022 found alcohol, marijuana, and other drugs each commonly involved, often in combination — a pattern not directly transferable to the UAE, but one that illustrates why a broad rather than single-substance awareness approach is more useful for parents [5].

Warning Signs to Notice

According to AACAP’s Facts for Families guidance, warning signs of teenage alcohol and drug use tend to cluster into several categories [1]:

Physical signs

Fatigue, repeated or vague health complaints, red or glazed eyes, and a lasting cough can all be physical indicators, though each also has many unrelated causes (illness, poor sleep, allergies) [1].

Emotional and behavioural signs

Personality change, sudden or intense mood swings, irritability, irresponsible behaviour, low self-esteem, poor judgement, a general lack of interest in previously enjoyed activities, and increased arguments or rule-breaking at home can all be part of this picture [1]. Within a family, this may show up as starting arguments, breaking established rules, or gradually withdrawing from family life [1].

Academic signs

A drop in grades, decreased interest in school, a more negative attitude toward school, increased absences or truancy, and more frequent discipline problems are commonly noted school-based signs [1].

Social signs

New friendships — particularly with peers who seem less interested in the activities the teen used to value — along with secretiveness, involvement with the law, and a shift toward less conventional dress or interests can also be relevant [1]. It’s worth briefly noting that vaping and nicotine use is a related but distinct topic; if that is your primary concern, our separate article on vaping and teen mental health covers it in more depth.

It bears repeating: several of these signs overlap with normal adolescent development, anxiety, depression, bullying, or other stressors unrelated to substance use [1]. This is why a calm conversation — not an accusation — is the right first move.

Distinguishing Experimentation From a Pattern of Concern

Occasional experimentation is common during adolescence, and not every teen who experiments goes on to develop a substance use disorder [1]. What tends to distinguish a pattern worth closer attention is less about any single incident and more about:

• Cluster — several different warning signs appearing together, rather than just one.
• Duration — changes that persist for more than a couple of weeks, rather than a brief rough patch.
• Intensity — a marked, drastic shift compared with the teen’s usual baseline, alongside noticeable changes in peer group, sleep, school performance, or appearance.

AACAP identifies certain teens as being at higher risk of developing more serious alcohol or drug problems, including those with a family history of substance use disorders, those who have experienced trauma during youth, and those with long-term low self-esteem or ongoing difficulty with friendships or meeting school expectations [1]. In clinical settings, professionals may use a brief, validated screening conversation such as the CRAFFT tool — a confidential six-question screen developed for use by trained healthcare providers with adolescents aged 12–21 — to help estimate the likelihood that a teen meets diagnostic criteria for a substance use disorder [7]. This kind of structured screening is intended for use by a clinician, not as a checklist for parents to score at home; it is mentioned here so you know it exists as an option your teen’s doctor or a mental-health professional may offer.

Starting a Non-Confrontational Conversation

How a parent opens this conversation can shape whether a teenager stays engaged or shuts down. AACAP’s guidance for families emphasises open communication, modelling responsible behaviour yourself, and staying alert to developing problems, rather than leading with accusation [1]. In practice, that can look like:

• Choosing a calm, private moment rather than confronting your teen in front of others or immediately after an incident.
• Leading with curiosity and concern (“I’ve noticed you seem more withdrawn lately, and I wanted to check in”) rather than accusations.
• Listening more than lecturing, and allowing silence rather than filling every gap.
• Avoiding ultimatums in the first conversation; the goal is to open a channel, not resolve everything at once.
• Being honest about your own worry without exaggerating consequences or moralising.
• Making clear that your concern comes from care for their wellbeing, not from a wish to punish.

If the first conversation doesn’t go well, that’s common — the goal is to keep the door open, not to “win” a single exchange [1].

Risk Factors and Protective Factors

No single factor determines outcome, but research identifies patterns that raise or lower the likelihood of adolescent substance use problems. Commonly cited risk factors include a family history of substance use, inadequate parental supervision or monitoring, academic difficulties, undiagnosed mental health problems, having peers who use substances, and experiences of trauma, abuse, or neglect [1][8]. Protective factors — things that tend to reduce risk — include consistent parental support and monitoring, clear family expectations, school engagement, positive peer relationships, supportive mentors, and good coping and problem-solving skills [8]. Multiple protective factors can meaningfully offset some risk factors [8]. Adolescence often brings several risk-recognition questions at once for parents; body image concerns are another example worth being aware of, as they can co-occur with broader stress or self-esteem difficulties in teenagers.

Co-Occurring Mental Health Conditions

Substance use in teenagers rarely exists in isolation. Research summarised by the National Institute on Drug Abuse indicates that adolescents with substance use disorders have particularly high rates of co-occurring mental health conditions, including mood and anxiety disorders, conduct disorder, and ADHD [3]. An internalising condition such as anxiety or depression often develops before a substance use problem, which is one reason clinicians recommend looking at the whole picture rather than treating substance use as a stand-alone issue [3].

When to Seek Professional Evaluation

If you notice a cluster of warning signs that persists, or if you’re simply unsure and would feel reassured by professional input, AACAP’s guidance suggests starting with a physician to help rule out physical causes for the symptoms you’ve noticed, followed by — or alongside — a comprehensive evaluation from a child and adolescent psychiatrist or other qualified mental health professional [1]. The American Academy of Pediatrics similarly recommends that healthcare providers use validated screening approaches and structured, non-stigmatising conversations with adolescents and families as part of routine care [6]. You do not need to be certain something is wrong before seeking this kind of evaluation — a professional assessment can help clarify what is and isn’t happening, and can also identify co-occurring concerns such as anxiety or depression that may be part of the picture [3]. Reading about what a first psychiatric consultation involves can help make that step feel less daunting.

A Note on the UAE Legal Context

The information in this section is general and requires editorial and legal verification before publication; it should not be treated as legal advice. The UAE maintains strict laws relating to alcohol and drug possession and use, including for minors, and the legal consequences of certain situations can be significant. This article’s focus is on your teenager’s health, development, and safety — that is the primary reason to notice these signs and respond early. Legal considerations are a secondary, serious matter that families in the UAE should be aware of in general terms, and if you have specific questions about how UAE law could apply to a situation, seeking guidance from a qualified legal professional or an official UAE government source is advisable, alongside — not instead of — addressing your teenager’s health and wellbeing.

Practical Next Steps

1. Notice the pattern, not a single moment — jot down what you’ve observed if it helps.
2. Choose a calm time to open a supportive, non-accusatory conversation.
3. Consider a check-in with your teen’s physician to help rule out other explanations for physical symptoms.
4. If concern persists, consider a comprehensive evaluation with a qualified child and adolescent mental health professional, who can also assess for co-occurring conditions such as anxiety or depression.
5. Look after your own wellbeing — supporting a teenager through this is easier with support of your own.

Our guide on choosing a child psychiatrist in Abu Dhabi and our overview of children’s services at BMMC can help you think through the options.

How BMMC Can Help

If you’re concerned about changes you’ve noticed in your teenager, a qualified mental-health professional can assess co-occurring mental health concerns and help coordinate appropriate care. Beautiful Mind Medical Center’s team, led by Dr Abdulnaser Arida, Consultant Psychiatrist and Director, offers psychiatric consultations for children and adolescents in Abu Dhabi. Learn more about our clinicians, read what to expect during a first consultation, or get in touch to ask a question or arrange an appointment. There is no obligation, and no assumption is made about your teenager before an assessment takes place.

Frequently Asked Questions

Does one warning sign mean my teenager is definitely using alcohol or drugs?
No. Individual signs such as mood changes, tiredness, or a drop in grades have many possible causes, including normal adolescent development, stress, or a mental health condition. It’s the combination, duration, and intensity of changes together that’s more informative than any single sign [1].

My teenager admitted to trying alcohol once at a party. Does that mean they have a problem?
Not necessarily. Occasional experimentation is common in adolescence and does not automatically indicate a substance use disorder [1]. What matters more is whether a broader pattern of concerning signs develops and persists over time.

How do I bring this up without starting a fight?
Choose a calm, private moment, lead with curiosity and concern rather than accusation, and focus on listening. Evidence-based guidance for families favours open, non-judgemental communication over confrontation [1][6].

Could this actually be about something else, like anxiety or depression?
Quite possibly. Mental health conditions and substance use frequently occur together in teenagers, and one can influence the other [3]. A comprehensive evaluation can help clarify the full picture rather than focusing on one possibility alone.

When should I involve a professional?
If warning signs cluster, persist beyond a couple of weeks, or you simply want reassurance and guidance, it’s reasonable to start with your teen’s physician and consider a comprehensive evaluation with a qualified child and adolescent mental health professional [1]. You don’t need certainty before reaching out. See also our frequently asked questions page.

Educational disclaimer: This article is for general educational purposes and is not a substitute for an individual assessment, diagnosis, or treatment plan from a qualified healthcare professional. If you are concerned about a child’s or adolescent’s safety, seek urgent professional help.

Author: BMMC Editorial Team
Medical reviewer assigned: Dr. Abdulnaser Arida, Consultant Psychiatrist and Director
Medical review status: Pending
Draft date: 2026-08-24
Last updated: Pending publication

References

1. American Academy of Child and Adolescent Psychiatry. Teens: Alcohol And Other Drugs (Facts for Families, No. 3). Updated April 2026. aacap.org. Accessed 2026-08-24.
2. American Academy of Child and Adolescent Psychiatry. Opioid Use in Adolescents (Facts for Families, No. 144). April 2026. aacap.org. Accessed 2026-08-24.
3. National Institute on Drug Abuse. Co-Occurring Disorders and Health Conditions. Published 2024-04-19, updated 2024-10-03. nida.nih.gov. Accessed 2026-08-24.
4. Centers for Disease Control and Prevention. Preventing Drug Use Among Children and Adolescents (PODAT) — In Brief. May 2024. cdc.gov. Accessed 2026-08-24.
5. Centers for Disease Control and Prevention, MMWR. Characteristics of Alcohol, Marijuana, and Other Drug Use Among Persons Aged 13–18 Years Being Assessed for Substance Use Disorder Treatment — United States, 2014–2022. MMWR 2024;73. cdc.gov. Accessed 2026-08-24.
6. American Academy of Pediatrics, Committee on Substance Use and Prevention. Substance Use Screening, Brief Intervention, and Referral to Treatment. Pediatrics. 2016;138(1):e20161211. publications.aap.org. Accessed 2026-08-24.
7. Center for Adolescent Behavioral Health Research (CABHRe), Boston Children’s Hospital / Harvard Medical School. Use the CRAFFT. crafft.org. Accessed 2026-08-24.
8. Youth.gov. Risk & Protective Factors. youth.gov. Accessed 2026-08-24.
9. UAE Government (u.ae). Handling Emergencies. Updated 29 Apr 2026. u.ae. Accessed 2026-08-24.