Anxiety in teenagers

How anxiety shows up in teenage life, what can increase its impact, and how to respond in ways that help

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Fiona Hannah

Child and Adolescent Psychotherapist and Clinical Director

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At a glance

  • Anxiety in teenagers often shows up as worry, tension, staying away from things that feel difficult or physical symptoms, not just obvious panic.
  • Anxiety around specific events is normal. It’s more concerning when it sticks around, is hard to switch off or out of proportion to what’s happening. 
  • It can affect sleep, school, friendships, confidence and day-to-day life.
  • Underneath the anxiety there’s often pressure, self-doubt, uncertainty or fear of something going wrong.
  • Staying away from things that feel difficult, needing lots of reassurance and putting huge pressure on themselves can bring short-term relief, but often keep anxiety going.
  • It helps to stay calm, remind them it’s not something to hide, and suggest small manageable steps rather than trying to fix everything at once.

What anxiety can look like 

Anxiety is one of the most common reasons parents and carers worry about a teenager. Some teenagers talk openly about being anxious. But more often, it builds quietly and comes out in behaviours that can be mistaken for something else. You might notice:  

  • Constant worrying about everyday things 
  • Needing lots of reassurance 
  • Trouble sleeping or having stressful thoughts at night 
  • Stomach aches, headaches or nausea with no clear cause 
  • Irritability or being more snappy than usual 
  • Staying away from school, social plans or things they usually do 
  • Going over things again and again after they’ve happened 
  • Putting things off because they’re scared of getting them wrong 
  • Tense, on edge or unable to relax 
  • Panic symptoms, such as breathlessness, dizziness or a racing heart 

How teenagers respond to anxiety 

Teenagers respond to anxiety in different ways. Many try to get ahead of things by thinking through what might happen. This can make them feel more prepared at that moment, but it also keeps their mind and body on high alert. 

These patterns often make sense in the moment, especially when something feels uncertain, but can keep anxiety going over time: 

Avoiding things that feel difficult
Refusing to tackle something can bring immediate relief. If a teenager stays home, drops a plan, avoids a lesson or leaves a room, their anxiety often drops for a while. But it can also reinforce the idea that the situation was dangerous, which makes things harder next time. 

Constantly checking they’ll be okay
Some teenagers keep looking for reassurance: “Will I be okay?”, “Are you sure?”, “What if something goes wrong?” Reassurance can soothe anxiety briefly. But over time, they may start to depend on someone else calming things down. 

Putting huge pressure on themselves
Sometimes, anxious teenagers feel they have to achieve perfection. They may redo work, panic over small mistakes, avoid trying unless they can do something well, or become highly distressed by the idea of embarrassment or criticism. 

Going over things again and again
Rumination¹ is the mind going round and round the same fears, conversations or worst-case scenarios. It can look like problem-solving from the outside, but often it just keeps the anxiety active. 

Physical symptoms
Some teenagers experience anxiety very physically, through things like a racing heart, shaky hands, dizziness, nausea, chest tightness, tingling or breathlessness. That can be especially frightening because the body reacts so strongly, and it can feel as though something serious is happening, even when it isn’t.  

Why anxiety can become hard to let go of
Anxiety usually doesn’t come out of nowhere. It often develops as a way of trying to stay safe, prepared or in control. Underneath that, there’s often something more personal driving it. 

  • Fear of rejection or humiliation 
  • Pressure to achieve or get things right 
  • Low self-worth 
  • Friendship stress or social fallout 
  • Family tension or instability 
  • Past experiences that have left them more on edge 
  • Sensory overwhelm or neurodivergence²
  • Too much uncertainty and not enough sense of safety 

 

An example of how anxiety can build 

A teenager has a wobble in their friendship group. No one says anything direct, but something shifts and as the messages on chats change, invitations dry up.  

The teenager starts second-guessing everything they’ve said, and their anxiety quickly gathers pace. They become more on edge, more self-conscious and more likely to expect rejection. They replay conversations, scan for signs they’re being left out, and begin pulling back to protect themselves. Before long, every social situation feels like a huge deal.  

The anxiety is no longer focused on just one friendship issue. It starts shaping how they approach every relationship, with the aim of avoiding any more hurt. 

What to do

  • Stay calm

    Anxiety usually escalates faster when an adult becomes frustrated, urgent or overly reactive.

  • Look for the pattern

    Notice when it shows up, what seems to trigger it and how your teenager tries to manage it. 

  • Say what you’re noticing

    It’s often easier for a teenager to respond to “You seem more on edge lately” than being told they’re anxious. 

  • Try to get a sense of what’s bothering them

    Instead of staying on the worry itself, ask simple, open questions like “What feels hardest about it?” or “What are you worried might happen?” 

  • Keep it matter-of-fact

    Avoid eye-rolling or criticism. Treat it as something manageable, not something to be embarrassed about. 

  • Don’t rush to fix everything

    Trying to remove every source of stress or uncertainty can accidentally make anxiety stronger. 

  • Go easy on reassurance

    Comfort matters, but repeated reassurance can turn into part of the cycle. 

  • Help them take small steps

    Gentle, manageable steps help them build confidence with things that feel uncertain. 

  • Keep routines steady

    Sleep, food, movement and predictability all make anxiety easier to manage.

When to get more support

It may be time to get more support if anxiety is:

  • Going on for weeks or months 
  • Hard for them to switch off 
  • Affecting sleep most nights 
  • Leading to panic symptoms or lots of physical distress 
  • Causing them to stay away from school or regularly struggle with attendance 
  • Shrinking their world by staying away from more and more things 
  • Affecting friendships, eating or family life 
  • Leaving them stuck in a cycle they can’t shift 

What to remember

Anxiety in adolescence is common, but that doesn’t mean it should be ignored when it starts taking over. A worried teenager usually needs more than, “Try not to think about it” or “You’ll be fine”. They need a calm adult who takes their concerns seriously and helps them build confidence, step by step, with things that feel uncertain.

Footnotes

¹Rumination – a pattern of going over the same worries, thoughts or situations again and again without reaching a solution.

²Neurodivergence – differences in how a person’s brain works, learns or processes information. This can include conditions such as autism, ADHD or dyslexia.

A closer look at
teenage anxiety

For some young people, anxiety can shape thoughts, behaviour, mood and confidence in ways that are hard to explain. Learn more about the behaviours it drives, and how the team here at Teenage Mental Health responds.

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