Monitoring mental health in autistic teenagers: a neurodiversity-affirming guide for parents

Introduction

Parenting an autistic teenager can bring many joys, strengths and opportunities for growth. Autistic young people often have unique perspectives, deep interests, strong values and remarkable abilities. However, adolescence can also be a challenging period, particularly for autistic teenagers who may be navigating increasing social demands, academic pressures, sensory challenges, identity development and growing independence. 

Autism itself is not a mental health condition. However, research consistently shows that autistic young people experience higher rates of anxiety, depression and other mental health difficulties compared with their non-autistic peers (van Steensel et al., 2011; Lever and Geurts, 2016). Importantly, these difficulties are not caused by being autistic. Instead, they often arise from a mismatch between an individual’s needs and the environments in which they are expected to function. 

As a parent, understanding the signs that your teenager may be struggling can help you provide support early and access appropriate professional help when needed.

Why are autistic teenagers more vulnerable to mental health difficulties? 

Many autistic teenagers face challenges that can affect their emotional wellbeing, including: 

• Sensory overload at school or in the community 
• Bullying and social exclusion 
• Difficulties finding accepting friendships 
• Academic pressures 
• Frequent misunderstandings by peers or adults 
• Increased awareness of being different from others 
• Masking or hiding autistic traits 
• Uncertainty about the future 
• Challenges accessing appropriate support 

Teenage years are already a period of significant social and emotional change. For autistic young people, these changes can sometimes feel particularly intense and exhausting.

The importance of knowing your teen’s baseline 

One of the most important things parents can do is understand what is typical for their child. 

Many behaviours that are characteristic of autism are not signs of poor mental health.

For example, your teenager may naturally: 

• Enjoy spending time alone 
• Have a small friendship group 
• Prefer predictable routines 
• Avoid eye contact 
• Communicate differently from peers 
• Need downtime after school 
• Have intense interests 

These behaviours are not problems to be fixed and should not automatically be viewed as signs of depression or anxiety.

Instead, parents should look for changes from their teenager’s usual patterns of behaviour. 

The question is often not: 

“Does my child behave differently from other teenagers?” 

but rather: 

“Has my child changed from how they normally are?” 

Changes are often more meaningful indicators of mental health difficulties than the presence of autistic traits themselves.

Signs of anxiety in autistic teenagers 

Anxiety is one of the most common mental health difficulties experienced by autistic young people. 

However, anxiety does not always look the way parents expect. 

While some teenagers openly discuss worries, others may express anxiety through behaviour, physical symptoms or increases in autistic traits. 

Possible signs include:

Increased need for reassurance 

Your teenager may repeatedly ask: 

• What is happening today? 
• What time are we leaving? 
• Who will be there? 
• What happens if something goes wrong? 

This is often an attempt to reduce uncertainty rather than challenging behaviour.

Avoidance 

You may notice increasing reluctance to: 

• Attend school 
• Meet friends 
• Participate in activities they previously enjoyed 
• Leave the house 
• Attend appointments 

Avoidance is often one of the clearest signs that anxiety is becoming overwhelming.

Physical symptoms 

Many autistic teenagers experience anxiety physically. 

Common signs include: 

• Headaches 
• Stomach aches 
• Nausea 
• Changes in appetite 
• Difficulty sleeping 
• Increased fatigue 

Sometimes physical symptoms appear before emotional distress becomes obvious. 

Increased meltdowns or shutdowns 

Parents sometimes assume behavioural changes indicate defiance or poor motivation. 

In reality, increased: 

• Meltdowns 
• Emotional overwhelm 
• Irritability 
• Shutdowns 
• Withdrawal 

may indicate that a young person is struggling with anxiety, stress or sensory overload.

Increased rigid thinking 

Some autistic teenagers become more dependent on routines or struggle more with change when anxiety levels increase. 

You might notice: 

• Greater distress when plans change 
• Increased perfectionism 
• More black-and-white thinking 
• Greater difficulty coping with uncertainty 

Signs of depression in autistic teenagers 

Depression can be particularly difficult to identify because symptoms may overlap with autistic characteristics. 

Again, parents should focus on changes from their teenager’s usual presentation. 

Possible warning signs include:

Loss of interest in preferred activities 

One of the most important signs is when a teenager loses interest in activities or special interests they would usually find enjoyable. 

For example, your teenager may: 

• Stop gaming 
• Stop reading about favourite topics 
• Withdraw from hobbies 
• Show less enthusiasm for interests that usually bring comfort and enjoyment 

Increased social withdrawal

Many autistic teenagers naturally require time alone. 

However, depression may lead to a noticeable increase in isolation, including withdrawing from: 

• Family members 
• Trusted friends 
• Online communities 
• Favourite activities 

Persistent low mood

Signs may include: 

• Frequent sadness 
• Increased tearfulness 
• Irritability 
• Hopelessness 
• Negative self-talk 

Teenagers do not always say they feel depressed. Instead, they may express feelings such as: 

• “What’s the point?” 
• “Nobody understands me.” 
• “I’m useless.” 
• “I don’t fit in anywhere.” 

Reduced energy and motivation

Parents may notice: 

• Difficulty getting out of bed 
• Reduced participation in daily activities 
• Increased tiredness 
• Neglect of personal care 
• Falling behind with schoolwork 

Changes in sleep or appetite

Watch for significant changes in: 

• Sleep patterns 
• Eating habits 
• Weight 
• Energy levels 

These changes can sometimes indicate depression, particularly when combined with other symptoms. 

Autistic burnout or mental health difficulty? 

Many autistic teenagers experience autistic burnout, particularly during secondary school years.

Burnout can involve: 

• Extreme exhaustion 
• Increased sensory sensitivity 
• Loss of skills 
• Reduced ability to manage daily demands 
• Increased emotional dysregulation 

Burnout can look similar to depression but often develops after prolonged periods of stress, masking or coping with overwhelming demands. 

Sometimes teenagers experience both burnout and mental health difficulties simultaneously. 

If you are unsure, seeking advice from a healthcare professional can be helpful. 

When should parents seek professional support? 

Parents should consider seeking support if:

Symptoms persist 

If anxiety, low mood or emotional distress continues for several weeks and shows little sign of improvement. 

Everyday life is being affected 

Your teenager may be struggling to: 

• Attend school 
• Complete daily tasks 
• Maintain friendships 
• Participate in family life 
• Manage personal care 

School attendance is declining

Emotionally based school avoidance is common among autistic young people experiencing significant distress. 

If attending school is becoming increasingly difficult, early intervention is important.

Your teenager describes feeling hopeless 

Statements suggesting hopelessness or worthlessness should always be taken seriously. 

There are signs of self-harm 

Signs may include: 

• Unexplained injuries 
• Covering up arms or legs 
• Talking about hurting themselves 
• Online searches related to self-harm 

Any concerns about self-harm should prompt professional support. 

Your teenager talks about not wanting to live 

Urgent support should be sought if your teenager: 

• Expresses suicidal thoughts 
• Talks about wanting to die 
• Feels life is not worth living 
• Has made plans to harm themselves 

In the UK, urgent help is available through: 

• NHS 111  
• Your GP 
• Local CAMHS crisis services 
• Accident and Emergency departments 
• Emergency services if there is immediate danger 

How parents can support good mental health 

Create a safe and non-judgemental space

Teenagers are more likely to talk when they feel listened to rather than interrogated. 

Helpful approaches include: 

• Being curious rather than critical 
• Validating emotions 
• Avoiding assumptions 
• Listening without immediately trying to fix problems 

Respect sensory needs

Supporting sensory regulation can significantly reduce stress. 

Consider: 

• Quiet recovery time after school 
• Flexible clothing choices 
• Access to sensory supports 
• Reducing unnecessary sensory demands 

Support authenticity

Research increasingly suggests that masking autistic traits may contribute to poorer mental health outcomes. 

Help your teenager understand that: 

• Stimming is okay 
• Communication differences are valid 
• Needing accommodations is acceptable 
• Being autistic is not something to hide 

Protect time for recovery

Many autistic teenagers spend the school day coping with social, sensory and academic demands. 

Ensure there is enough time for: 

• Rest 
• Special interests 
• Downtime 
• Predictable routines 

These are often essential wellbeing supports rather than optional extras.

Encourage connections

Support opportunities for meaningful social connections, whether through: 

• Shared-interest groups 
• Clubs 
• Online communities 
• Existing friendships 

One genuine friendship can be far more protective than many superficial social relationships. 

Final thoughts 

Autistic teenagers face many of the same emotional challenges as their peers, but they often do so while navigating sensory differences, social misunderstandings and environments that may not fully accommodate their needs. Monitoring mental health does not mean looking for autism-related behaviours to change or disappear. Instead, it means paying attention to changes in mood, behaviour, energy levels, participation in everyday life and overall wellbeing. 

Parents do not need to have all the answers. Often, the most powerful protective factor is knowing that a trusted adult is paying attention, listening without judgement and willing to seek help when needed. By recognising the signs of anxiety, depression and burnout early, families can access support before difficulties become overwhelming and help autistic teenagers thrive as their authentic selves. 

References

Cage, E. and Troxell-Whitman, Z. (2019) ‘Understanding the reasons, contexts and costs of camouflaging for autistic adults’, Journal of Autism and Developmental Disorders, 49(5), pp. 1899–1911. 

Hull, L., Petrides, K.V., Allison, C., Smith, P., Baron-Cohen, S., Lai, M.C. and Mandy, W. (2017) ‘Putting on my best normal: Social camouflaging in adults with autism spectrum conditions’, Journal of Autism and Developmental Disorders, 47(8), pp. 2519–2534. 

Lever, A.G. and Geurts, H.M. (2016) ‘Psychiatric co-occurring symptoms and disorders in young, middle-aged and older adults with autism spectrum disorder’, Journal of Autism and Developmental Disorders, 46(6), pp. 1916–1930. 

Mantzalas, J., Richdale, A.L., Adikari, A., Lowe, J. and Dissanayake, C. (2022) ‘What is autistic burnout? A thematic analysis of autistic adults’ experiences’, Autism in Adulthood, 4(1), pp. 52–65. 

Cassidy, S.A., Bradley, L., Shaw, R. and Baron-Cohen, S. (2018) ‘Risk markers for suicidality in autistic adults’, Molecular Autism, 9(42). 

van Steensel, F.J.A., Bögels, S.M. and Perrin, S. (2011) ‘Anxiety disorders in children and adolescents with autistic spectrum disorders: A meta-analysis’, Clinical Child and Family Psychology Review, 14(3), pp. 302–317. 

Kerns, C.M., Kendall, P.C., Zickgraf, H., Franklin, M.E., Miller, J. and Herrington, J. (2015) ‘Not to be overshadowed or overlooked: Functional impairments associated with comorbid anxiety disorders in youth with ASD’, Behaviour Therapy, 46(1), pp. 29–39.