Signs of Anxiety in Teenage Girls: What Parents Need to Know

Something has shifted. Maybe she is harder to reach than she used to be. Maybe the mornings have become a battle. Maybe she is holding it together at school and falling apart the moment she gets home. Maybe you cannot quite put your finger on what has changed — you just know something has.

Anxiety is one of the most common mental health concerns in adolescent girls in Australia. But it does not always look the way parents expect — and that gap between what anxiety actually looks like and what we assume it looks like means it is frequently missed, minimised or misattributed to something else entirely. This post is for parents who want to understand what anxiety looks like in teenage girls, why it often presents differently than in adults or boys, and what to do if you recognise these signs in your daughter. 

Why Anxiety Looks Different in Teenage Girls:
 Research consistently indicates that anxiety presents differently across genders and age groups. In teenage girls, anxiety is more likely to be internalised — experienced intensely on the inside while appearing manageable or even fine on the outside. Several factors contribute to this:

Girls are socialised from an early age to manage their emotions, be agreeable and not cause concern for others. This means many anxious girls become very good at appearing okay even when they are not.

Girls are more likely to develop compensatory strategies — perfectionism, over-preparation, people-pleasing, excessive reassurance-seeking — that mask the anxiety driving them. 

The social world of adolescent girls is complex and high stakes. Social anxiety, fear of judgement and sensitivity to peer relationships can be intense and are not always immediately visible to adults. 

For neurodivergent girls — those with ADHD or autism — anxiety is particularly common and particularly likely to be missed. Masking strategies that neurodivergent girls develop to navigate social environments can make anxiety almost invisible until burnout or a significant stressor causes it to surface.

Signs of Anxiety in Teenage Girls — What to Look For:
The following are common signs of anxiety in teenage girls. Not every anxious girl will show all of these — anxiety presents differently in different young people, and this list is not exhaustive or diagnostic.

Physical Signs:

- Frequent headaches, stomach aches or other physical complaints without a clear medical cause 
- Sleep difficulties — trouble falling asleep, staying asleep, or waking early 
- Fatigue that seems disproportionate to activity levels
- Nausea or feeling physically unwell before school, social events or assessments
- Racing heart, shortness of breath or dizziness in stressful situations

Emotional and behavioural signs:
- Irritability, emotional outbursts or a short fuse — particularly at home
- Withdrawal from activities, friendships or things she previously enjoyed
- Crying more than usual or emotional responses that seem disproportionate
- Difficulty making decisions, even small ones - Seeking excessive reassurance from parents or others
- Persistent worry about things going wrong, even when there is no clear reason
- Catastrophising — assuming the worst outcome in most situations

Social signs:
- Avoiding social situations, parties, school events or gatherings
- Difficulty with friendships — either withdrawing or becoming very dependent on one person
- Intense fear of embarrassment, judgement or getting something wrong in front of others
- Reluctance to try new things or put herself in unfamiliar situations

School-related signs:
- Refusing or struggling to attend school — this is one of the most significant signs and should always be taken seriously
- Difficulty completing assessments or exams despite knowing the material
- Perfectionism — spending excessive time on tasks, redoing work repeatedly, never feeling satisfied
- Procrastination that is driven by fear of failure rather than disinterest
- Asking to leave class frequently — to go to the bathroom, the sick bay or the school counsellor

Signs that are often mistaken for something else:
- Anger and defiance — which can be anxiety expressing itself as a fight response
- Perceived "Laziness" or lack of motivation — which can be avoidance driven by anxiety 
- Percieved "Clinginess" or "neediness" — which can be separation anxiety or fear of something going wrong 
- Percieved "Drama" or "attention-seeking" — which can be a cry for help from a young person who does not have the words for what she is experiencing

When Anxiety May Benefit From Support:
It is normal for teenagers to experience worry and stress. The question is not whether anxiety is present — some degree of anxiety is a normal part of life — but whether it is affecting her daily functioning, her wellbeing or her ability to engage with the things that matter to her.

Signs that anxiety may benefit from professional support include:
- Anxiety that is persistent rather than situational
- Avoidance that is limiting her life — particularly school refusal
- Physical symptoms that are frequent and not explained by a medical cause
- Significant impact on sleep, appetite or daily functioning
- Distress that she is unable to manage with the support available to her at home
- A noticeable change in her personality, mood or engagement with life

You do not need to wait until things reach a crisis point. If something does not feel right, that is enough reason to seek support. 

Anxiety and Neurodiversity:
For neurodivergent girls — those with ADHD or autism — anxiety is one of the most common co-occurring experiences, and one of the most frequently missed.

In autistic girls, anxiety often presents as an increase in masking, a heightened need for routine and predictability, or a sudden deterioration in functioning following a period of sustained effort. It can look like rigidity, meltdowns or shutdowns rather than visible worry.

In girls with ADHD, anxiety frequently co-occurs with rejection sensitive dysphoria — an intense emotional response to perceived criticism or failure — and with the ongoing stress of trying to keep up with expectations in an environment not designed for how their brain works. Understanding whether anxiety is a standalone experience or part of a broader neurodivergent profile changes the most helpful approach to support. 

For more information, visit our Neurodiversity Support page.

What You Can Do as a Parent:
If you recognise signs of anxiety in your daughter, there are things that can help in the short term while you work out the right path forward.

Validate before you problem-solve. Before offering reassurance or solutions, acknowledge what she is feeling. "That sounds really hard" goes further than "I am sure it will be fine."

Avoid excessive reassurance. While it is natural to want to reassure an anxious child, constant reassurance can inadvertently reinforce anxiety by confirming that there is something to be worried about. Acknowledging feelings while gently encouraging engagement tends to be more helpful.

Maintain routine where possible. Predictability and structure can be calming for an anxious nervous system. Consistent mealtimes, bedtimes and daily rhythms provide a sense of safety.

Avoid accommodating avoidance where possible. If she is avoiding school, social situations or other important activities, gently encouraging engagement — while acknowledging how hard it feels — is generally more helpful than allowing avoidance to continue, which tends to strengthen anxiety over time.

Seek support sooner rather than later. Early support can make a meaningful difference.

Ready to Get Started?
Support is available now with no waitlist. Whether you are ready to book or simply have a question, send an email to info@nvpsychology.com.au — we are always more than happy to help.

This article provides general information only and is not a substitute for personalised psychological or medical advice, assessment or treatment. If you are in crisis or feel unsafe, please call Triple Zero (000). You can also contact Lifeline on 13 11 14 for 24-hour support.