Social Anxiety Disorder | Symptoms, Causes and Evidence-Based Treatment

Social anxiety, clinically known as social anxiety disorder or social phobia, is a long-term and overwhelming fear of social situations. It is more than shyness: the fear does not fade with familiarity, and it affects everyday activities, confidence, relationships and work or school life. It usually begins in the teenage years, and UK national guidance recommends treatments that can help.

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What is social anxiety?

Most people feel nervous before a presentation or an unfamiliar social event. Social anxiety disorder is different. The worry arrives well before the situation, sits with you throughout it, and often stays for hours or days afterwards while you replay what you said and how you think you came across.

It is one of the most persistent anxiety disorders, and it starts early. NICE puts the median age of onset at 13.

It is also one of the least well measured. There is no UK survey that reports how many adults have social anxiety disorder specifically. The figure quoted most often, a lifetime prevalence of around 12%, comes from a large US study that NICE cites in its guidance. What is clear is that it is one of the most common anxiety disorders, and that it is significantly under-recognised in primary care.

Perhaps the most striking figure is this one: NICE notes that only around half of people with social anxiety disorder ever seek treatment, and those who do typically wait 15 to 20 years after their symptoms begin. If you have been living with this quietly for years, you are in very ordinary company.

Social anxiety symptoms

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Social anxiety disorder symptoms in adults

You may have social anxiety disorder if you:

  • worry about everyday activities such as meeting new people, starting conversations, speaking on the phone, working or shopping

  • avoid or worry a great deal about social activities like group conversations, eating with company, or parties

  • consistently worry about doing something you think is embarrassing, such as blushing, sweating or appearing incompetent

  • find it difficult to do things while others are watching, and feel you are being observed and judged

  • fear being criticised, avoid eye contact, or have low self-esteem

  • experience physical symptoms such as feeling sick, sweating, trembling or a pounding heartbeat

  • have panic attacks, where an overwhelming sense of fear and anxiety comes on, usually for a few minutes

Many people with social anxiety disorder also experience depression, generalised anxiety disorder or panic disorder alongside it. Read how anxiety presents differently in men.

Social anxiety in children and teenagers

Social anxiety often looks different in a younger child, and can be mistaken for shyness or for being difficult. Signs include:

  • crying or getting upset more often than usual

  • getting angry a lot

  • avoiding interaction with other children and adults

  • fear of going to school, or of classroom activities, performances and social events

  • not asking for help at school

  • being very reliant on a parent or carer

In teenagers, the pattern usually looks closer to the adult one, with avoidance of group activities, reluctance to speak in class, and a great deal of anticipation and replaying afterwards.

You do not need to have all of these to have social anxiety disorder, and the situations people find hardest vary widely. Some people are comfortable presenting to a room but dread one-to-one small talk. For others it is the reverse.

What are the causes of social anxiety?

There is no single cause, and no one knows for certain why it develops in one person and not another.

NHS clinical guidance points to a combination of factors. Some people appear to be temperamentally more anxious from an early age. Others have had experiences that shaped how they expect to be seen, such as bullying, harsh criticism in childhood, or experiences of discrimination. Social anxiety sometimes runs in families. It is often bound up with low self-esteem that began in childhood or adolescence.

Where children and young people are concerned, NICE guidance directs clinicians to look at the wider picture too, including peer victimisation at school and patterns at home that may unintentionally reinforce avoidance rather than support a child to face difficult situations gradually.

What is much better understood is what keeps social anxiety going. Avoidance provides short-term relief and long-term reinforcement. Safety behaviours, like gripping a glass to hide shaking hands or rehearsing sentences in advance, prevent you from discovering that the feared outcome does not happen. Attention turns inward, onto how you imagine you appear, and away from what is actually going on in the room. This is precisely what evidence-based treatment targets.

How is social anxiety diagnosed?

In the UK, social anxiety disorder is diagnosed by a suitably qualified mental health professional, such as a Clinical Psychologist or psychiatrist, following a full assessment.

NICE recommends brief screening first, using either the three-item Mini-Social Phobia Inventory or two simple questions about whether you avoid social situations and whether you feel fearful or embarrassed in them. A fuller assessment then looks at which situations you fear and avoid, what you are afraid might happen, how you see yourself, what safety behaviours you use, and where your attention goes in social situations. Validated measures such as the Social Phobia Inventory (SPIN) or the Liebowitz Social Anxiety Scale (LSAS) may be used to track change over time.

A good assessment also checks for conditions that commonly sit alongside social anxiety, including depression, other anxiety disorders, alcohol or substance use, and autism.

Assessment privately follows the same clinical standards, usually with a shorter wait.

If you are unsure and would like to speak to one of our specialists, please don’t hesitate to reach out to our team today.

Social anxiety treatment: what are the recommended options?

Support for social anxiety disorder at Regal Private Therapy Practice

Our Clinical Psychologists provide individual CBT for social anxiety disorder, delivered in line with NICE guidance, for adults, children and young people. That means a structured course of work built around understanding what maintains your social anxiety, shifting attention outwards, and testing feared predictions gradually and deliberately rather than being pushed into situations before you are ready.

We know that picking up the phone to a therapy practice is a particularly hard first step when the difficulty itself is fear of being judged. You are welcome to email instead, and we’ll be in touch to help arrange your appointment.

Read more about therapy for adults or therapy for children and adolescents.

Regal Private Therapy Practice Entrance steps at 4 Devonshire Street in London

If you need urgent support

If you are struggling to cope or worried about your safety, help is available now. Call 111 and select the mental health option, or contact your GP. Samaritans are available 24 hours a day on 116 123. If you are worried about a child or young person, the YoungMinds Parents Helpline offers free advice. In an emergency, call 999 or go to your nearest A&E.

Frequently asked questions about social anxiety disorder

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References

  1. NICE (2013, last reviewed 2024). Social anxiety disorder: recognition, assessment and treatment. Clinical guideline CG159. https://www.nice.org.uk/guidance/cg159

  2. NHS. Social anxiety (social phobia). https://www.nhs.uk/mental-health/conditions/social-anxiety/

  3. National Collaborating Centre for Mental Health (2013). Social Anxiety Disorder: Recognition, Assessment and Treatment. British Psychological Society and Royal College of Psychiatrists.

  4. NICE (2017). Surveillance report: Social anxiety disorder (2013) NICE guideline CG159.

  5. GOV.UK. When a mental health condition becomes a disability. https://www.gov.uk/when-mental-health-condition-becomes-disability