How Anxiety Can Look in Teens and Preteens

Anxiety is one of the most common mental health concerns among children and adolescents, yet it doesn’t always look the way parents expect. While some young people openly express their worries, others may become irritable, withdrawn, or complain of physical symptoms without realizing that anxiety is the underlying cause.

Understanding the signs of anxiety can help families recognize when a child may benefit from additional support.

Anxiety Doesn’t Always Look Like Worry

Many preteens and teenagers don’t say, “I’m anxious.” Instead, anxiety often shows up through changes in behavior, emotions, physical symptoms, or relationships.

Some children become quiet and avoid situations that make them uncomfortable. Others appear angry, oppositional, or emotionally reactive. Both can be signs that their nervous system is feeling overwhelmed.

Common Signs of Anxiety in Preteens and Teens

Excessive Worry

They may worry constantly about:

School performance
Friendships and fitting in
Making mistakes
Their appearance
Family members’ safety
Future events
Being judged by others

Often, these worries continue even after receiving reassurance.

Irritability

Instead of appearing fearful, many adolescents become:

Easily frustrated
Short-tempered
Defensive
Emotionally reactive

Irritability is a common but often overlooked sign of anxiety.

Physical Symptoms

Anxiety frequently affects the body. Children and teens may experience:

Stomachaches
Headaches
Nausea
Muscle tension
Rapid heartbeat
Trouble sleeping
Fatigue

Sometimes these physical symptoms appear before school, sports, or social events.

Avoidance

They may begin avoiding situations that make them anxious, such as:

Going to school
Speaking in class
Social gatherings
Sports or performances
Trying new activities
Sleeping away from home

Although avoidance provides temporary relief, it often strengthens anxiety over time.

Perfectionism

Some children become extremely hard on themselves. They may:

Fear making mistakes
Spend excessive time on homework
Become upset by small imperfections
Seek constant reassurance
Feel that “good enough” is never enough

Changes in Mood

Parents may notice that their child:

Cries more easily
Seems emotionally overwhelmed
Appears unusually sensitive to criticism
Withdraws from family or friends
Loses interest in activities they previously enjoyed

Difficulty Concentrating

Anxiety can make it difficult to focus. Children may seem distracted, forgetful, or have trouble completing assignments because their minds are occupied by worries.

This sometimes resembles ADHD, which is why a comprehensive evaluation can be important when symptoms overlap.

Why Does Anxiety Develop?

There is rarely a single cause. Anxiety often develops through a combination of factors, including:

Genetics
Temperament
Life stressors
Family relationships
Bullying or peer difficulties
Academic pressure
Traumatic or overwhelming experiences

Some children are naturally more sensitive to uncertainty and may react more strongly to situations that others find manageable.

When Should Parents Seek Professional Help?

Consider seeking an evaluation if anxiety:

Lasts for several weeks or months
Interferes with school, friendships, or family life
Causes significant distress
Leads to frequent avoidance
Prevents your child from participating in age-appropriate activities
Continues despite reassurance and support

Early intervention can reduce the impact of anxiety and help children develop healthy coping skills before patterns become more deeply established.

How Therapy Can Help

Therapy provides a safe space for children and adolescents to understand what they’re experiencing and learn healthier ways of responding to anxiety.

Treatment may include:

Identifying anxiety triggers
Building emotional awareness
Learning coping and emotion regulation skills
Reducing avoidance
Strengthening confidence
Supporting parents in responding effectively to anxiety
Exploring underlying emotional or relational factors that may be contributing to symptoms

The goal isn’t to eliminate anxiety altogether. Rather, it’s to help children and teens develop the confidence and flexibility to face challenges without anxiety controlling their lives.

References

American Psychiatric Association. (2022). Diagnostic and statistical manual of mental disorders (5th ed., text rev.; DSM-5-TR). American Psychiatric Association.
Beesdo-Baum, K., & Knappe, S. (2012). Developmental epidemiology of anxiety disorders. Child and Adolescent Psychiatric Clinics of North America, 21(3), 457–478.
Kendall, P. C., Peterman, J. S., & others. (2016). Cognitive behavioral therapy for anxiety disorders in youth: Evidence base and future directions. Journal of Clinical Child & Adolescent Psychology, 45(3), 337–346.