Anxiety Disorders

Anxiety disorders are a group of mental health conditions where intense, excessive, and persistent fear or worry interferes with daily life.

Unlike normal stress or nervousness, anxiety disorders are long-lasting, can feel overwhelming, and often come with physical symptoms like a racing heart, restlessness, or trouble concentrating.

They are common and treatable. They include conditions such as generalized anxiety disorder, panic disorder, phobias, and social anxiety disorder.

Disclaimer: This article is for informational purposes only and should not be taken as a replacement for healthcare advice. If you believe you or someone you know may have signs of an anxiety disorder, please seek professional guidance.

Is some anxiety normal?

Yes, anxiety is a natural human response associated with feelings of worry, being tense, or being afraid when faced with situations that are considered threatening.

Humans evolved the “fight-or-flight” response that triggers hormones like adrenaline and cortisol, speeding up the heart and sharpening focus. Once the threat passes, the body releases calming hormones to restore balance.

Anxiety is essential to our survival. It steers us away from life-threatening situations, and without it we might ignore danger or take unnecessary risks.

So some anxiety is completely normal and healthy. It only becomes a problem when it is so intense that it affects your daily functioning and quality of life.

Sometimes it may feel like we experience anxiety for no reason, also known as free-floating anxiety. 

Types of Anxiety Disorders

Below are some types of anxiety disorders.

Please note that this is not an exhaustive list of anxiety disorders and that everyone can experience the disorders differently.

The DSM-5 manual (American Psychiatric Association, 2013) groups six conditions in its anxiety disorders chapter. These are panic disorder, agoraphobia, social anxiety disorder, separation anxiety disorder, specific phobia, and generalized anxiety disorder.

OCD and PTSD are the exceptions. They now sit in their own chapters: obsessive-compulsive and related disorders, and trauma- and stressor-related disorders. They are included below because they share the same misplaced threat detection and heightened arousal.

Generalized anxiety disorder

Generalized anxiety disorder (GAD) is characterized by persistent and excessive worries about multiple things.

Someone with this disorder may excessively worry about their health, the health of others, finances, or safety, among other things.

These worries are out of proportion to the actual circumstances. They are also difficult to control. Often, individuals may feel uneasy or nervous or feel as if something bad is going to happen without a known reason.

“I was six when it started: any time I felt off, I’d fear I’m ill, but the fear never really lets up—even when doctors say I’m fine, I keep searching for answers.”

Panic disorder

Panic disorder is associated with sudden and intense feelings of anxiety and fear.

This is characterized by panic attacks, which involve intense physical sensations that are recurrent and often unexpected.

These panic attacks often reach a peak and typically last several minutes.

A diagnosis needs more than attacks. It also requires at least a month of persistent worry about further attacks or their consequences (American Psychiatric Association, 2013).

Avoidance can spread. If a person avoids two or more situations where escape might be difficult, such as public transport or queues, agoraphobia may be diagnosed.

“When those symptoms start, my mind immediately goes to the worst possible outcome—I’m dying, losing control, or going crazy—and trying to stop that thinking only makes the panic worse.”

Read more on the differences between panic attacks vs anxiety attacks

Social anxiety disorder

Social anxiety disorder is characterized by intense fear and anxiety in social situations.

People with social anxiety disorder often worry intensely about being judged or scrutinized by others.

Some avoid social situations altogether. Others endure them with extreme discomfort.

This can occur in most or all social situations, so people often avoid them where they can.

“Going out in public ALWAYS makes me self-conscious unless I’m drunk or extremely sleep-deprived… Hanging out and meeting new people is impossible because I overthink everything I do and how they respond.”

Specific phobia

People who have specific phobias experience intense anxiety when exposed to a feared specific object or situation. Common specific phobias are spiders, snakes, heights, and confined spaces.

Specific phobias can produce an overwhelming and irrational fear of something that may pose little to no actual danger.

Exposure to a phobic object or situation can bring about severe anxiety and even provoke panic attacks.

“I’ve got severe thanatophobia, or a fear of death. … The dying part doesn’t bother me — but the idea of going to sleep and never waking up is terrifying beyond belief. … Every night I’m reduced to tears and panic attacks by this inevitable, inescapable terror.”

Posttraumatic stress disorder

Posttraumatic stress disorder (PTSD) is a condition that is triggered by a traumatic event, either by experiencing trauma or witnessing it.

After the traumatic event, an individual may have recurring flashbacks, nightmares, or uncontrollable thoughts about the event.

These thoughts can bring severe anxiety. They also heighten the sense of danger.

These individuals may feel stressed or fearful even in safe situations. Reminders of the event can trigger anxious feelings.

“Everything that happened over there, I camouflaged all that stuff and just buried it. You know what I mean? The feelings, I mean, I became numb. I didn’t speak to anybody about it, not even my wife or my kids. I didn’t want anybody to know, because I was ashamed.”

Obsessive-compulsive disorder

Obsessive-compulsive disorder (OCD) is characterized by obsessive, intrusive thoughts and compulsive behaviors. Obsessive thoughts cause significant distress, and individuals feel driven to perform compulsive actions to ease their anxiety and distress.

For instance, someone with OCD may have obsessive thoughts about being contaminated. They may then wash their hands excessively. Some wash repeatedly and for long periods to decrease their stress.

People with OCD may perform ritualistic behaviors that interfere with their daily activities and can make their lives very difficult.

“It’s like having a little parasite in your head that forces you to think a certain way; you get very frustrated as to why you want to do something when you know it doesn’t make sense, but you need to or you’ll feel miserable. It feels like there are two minds fighting against each other sometimes, and it’s a very stressful experience.”

Separation anxiety disorder

Separation anxiety disorder is typically a childhood disorder associated with anxiety related to being separated from a parent or other people who play a parental role to the child.

The anxiety is excessive for a child’s developmental level. It can include the child being clingy, severely crying, refusing to go to school, or developing anxiety-related physical illnesses.

A child may worry excessively about being apart from their parental figure. Some fear getting lost from the parent. Others fear that something bad will happen to the parent if they are not together.

“I’ve realized I’ve had separation anxiety my whole life—I always feel unsafe when I can’t see or reach someone I care about. It’s exhausting.”

Signs of Anxiety Disorders

Anxiety disorders are usually experienced through thoughts, feelings, and physical sensations. Behaviors typically result from the anxiety.

Below are some of the physical, cognitive, and behavioral signs that may be present in anxiety disorders. Note that someone does not have to experience every symptom to be diagnosed with an anxiety disorder.

Each person experiences anxiety disorders differently. They may have some signs but not others. These lists are also not exhaustive, as people may experience other signs not listed.

Physical Signs

• Sweating, trembling, or muscle tension
• Rapid heartbeat and breathing
• Dry mouth, dizziness, or nausea/stomach upset
• Fatigue or low energy

Example: During a panic attack, someone might feel their heart racing, struggle to breathe, and become convinced they’re about to faint.

Not every phobia raises the heart rate. In blood-injury-injection phobia, heart rate and blood pressure typically drop, and people may faint (American Psychiatric Association, 2013).

Cognitive Signs

• Excessive worry or rumination (including worry about the anxiety itself)
• Trouble concentrating and racing or repetitive thoughts
• Sense of impending danger, panic, or doom
• Negative or self-critical thoughts; low or irritable mood

Example: A person with generalized anxiety may spend hours worrying that their loved ones will get into an accident, even when there’s no real reason to think so.

Behavioral Signs

• Avoiding triggers or relying on “safety” behaviors
• Performing rituals or seeking reassurance
• Restlessness, inability to calm down, or trouble sleeping
• Withdrawing from others or isolating oneself

Example: Someone with social anxiety might cancel plans at the last minute. A person with a phobia, an intense and irrational fear of something specific, might avoid elevators or crowded buses.

Safety behaviors can be subtle. Examples include carrying an escape route, holding a companion’s hand, or entering feared situations only at quiet times. They act as partial avoidance, so they can quietly undermine treatment.

Consequences of Anxiety Disorders

Anxiety disorders can affect many areas of life, sometimes in ways that ripple far beyond the immediate symptoms. Common complications include:

• Losing interest in previously enjoyed activities
  Hobbies like reading, sports, or creative projects may feel impossible because constant worry or fear gets in the way. For example, someone who once loved hiking might stop going because they feel unsafe leaving the house.
• Experiencing difficulties at work or school
  Anxiety can reduce concentration, increase absenteeism, and make deadlines feel overwhelming. A student might freeze during exams despite knowing the material, or an employee may avoid meetings because speaking up feels terrifying.
• Not being able to enjoy leisure time
  Even when relaxing with family or watching a movie, intrusive worries can dominate. Instead of enjoying the moment, a person may be preoccupied with “what ifs,” like worrying about their health or replaying a mistake at work.
• Struggling with trying to engage in new activities
  Fear of failure, embarrassment, or unfamiliar situations can stop someone from trying new hobbies, traveling, or pursuing opportunities. For instance, anxiety might keep a person from attending a dance class they’ve always wanted to try.
• Difficulties in relationships
  Anxiety may lead to irritability, withdrawal, or overdependence on reassurance. A partner might feel hurt when plans are repeatedly canceled, or friends may not understand why the person avoids social gatherings.
• The development of another mental health disorder, such as depression
  Long-term anxiety often wears people down emotionally. The constant stress and avoidance can result in low mood, hopelessness, or loss of motivation, leading to depression alongside anxiety.

Comparison of Anxiety Disorders

Disorder	Main Features	Key Symptoms	Common Examples/Triggers
Generalized Anxiety Disorder (GAD)	Excessive, persistent worry about many areas of life	Restlessness, fatigue, difficulty concentrating, sleep problems	Constant worry about health, finances, or safety despite no immediate threat
Panic Disorder	Recurrent, unexpected panic attacks	Racing heart, shortness of breath, dizziness, fear of losing control	Sudden attacks while driving, shopping, or even at rest
Social Anxiety Disorder	Intense fear of social situations or being judged	Blushing, sweating, trembling, avoiding eye contact	Speaking in class, meeting new people, eating in public
Specific Phobia	Irrational fear of a specific object or situation	Intense anxiety, avoidance, possible panic attacks	Fear of spiders, heights, flying, or confined spaces
Posttraumatic Stress Disorder (PTSD)	Anxiety following trauma or witnessing trauma	Flashbacks, nightmares, hypervigilance, emotional numbing	Military combat, accidents, abuse, disasters
Obsessive-Compulsive Disorder (OCD)	Intrusive thoughts and repetitive behaviors	Obsessions (unwanted thoughts), compulsions (rituals)	Excessive handwashing, checking locks, counting
Separation Anxiety Disorder	Excessive fear of being apart from attachment figures	Clinginess, nightmares, refusal to be alone, physical complaints	Child refusing school, or adult fearing harm to loved ones when apart

What Causes Anxiety Disorders?

There is not one known cause for the onset of anxiety disorders. Depending on the type of anxiety disorder being experienced, several factors could influence the likelihood of someone having a diagnosable disorder.

It is likely that a mixture of genetics, biology, and environmental factors play a role in the development of anxiety disorders.

Barlow’s (2000) triple vulnerability model captures this blend. A disorder tends to emerge when three vulnerabilities coincide with a stressful life event.

A generalized biological vulnerability is a heritable sensitivity to stress. A generalized psychological vulnerability is a learned sense that the world is dangerous and uncontrollable.

A specific psychological vulnerability is learning that channels anxiety onto a particular focus, such as bodily sensations or social evaluation.

The main risk factors are explained in turn below:

• Genetics: Having a close relative with anxiety raises the risk. Twin studies suggest heritability of roughly 30–40%.
• Biology: Disturbed signaling between the amygdala and prefrontal cortex is thought to influence anxiety.
• Learned Experiences: People can learn fear through conditioning, avoidance, and watching others.
• Thinking Patterns: Noticing threats quickly and reading ambiguous cues as dangerous help keep anxiety going.
• Personality: Timid temperaments, pessimism, and high neuroticism raise the likelihood.
• Life Events: Childhood adversity, parenting style, and adult stressors can trigger or worsen anxiety.

Genetics

Having a close relative with anxiety may increase the risk of someone also developing anxiety.

Genes explain a moderate share of the risk. A meta-analysis by Hettema et al. (2001) estimated heritability at roughly 30–40% for panic disorder, generalized anxiety disorder, phobias, and OCD.

Most of the remaining variation reflects each person’s own non-shared experiences, not the family environment siblings share. Genes raise the odds, but not the outcome.

Ayano et al. (2021) pooled 25 cohort and case-control studies in a meta-analysis. Parental severe psychiatric disorder was associated with a higher risk of anxiety disorders in children. The pattern differed by parental diagnosis:

• Bipolar disorder: children were at higher risk of obsessive-compulsive disorder and generalized anxiety disorder.
• Depressive disorder: children were at higher risk of separation anxiety disorder, generalized anxiety disorder, and social anxiety disorder.
• Schizophrenia: no association with anxiety disorders in children.

Biological causes

The amygdala, a part of the limbic system involved in processing and regulating emotions, plays a role in anxiety.

The prefrontal cortex of the brain, an area involved in critical thinking and reasoning, is believed to modulate the amygdala’s response to threats, providing rational thought to seemingly dangerous situations.

Disturbed amygdala-to-prefrontal cortex interactions are thought to influence anxiety. The amygdala may be hijacking the part of the brain that provides logical reasoning about perceived threats.

Learned experiences

As evident in studies from behaviorist psychology, people can be conditioned to learn to fear specific objects or situations.

Watson and Rayner (1920) showed this with Little Albert. They repeatedly paired a white rat with a loud noise. The nine-month-old infant soon cried at the rat alone. His fear then spread to other furry objects, such as a rabbit and a fur coat.

Avoidance then keeps the fear alive. Each time a person avoids the feared object, their anxiety drops straight away. This relief is negative reinforcement. Avoidance becomes more likely next time (Mowrer, 1947).

The person never meets the feared object safely. The fear never gets a chance to fade.

Individuals may also learn through observations of other people displaying anxious behaviors.

For instance, if children grow up in a household with a parent who has an anxiety disorder, the child may learn to be anxious about the same things.

Conditioning is not the whole story. Rachman (1977) argued that there are at least three routes into a fear:

• Direct conditioning: a frightening experience becomes linked to an object or situation.
• Vicarious learning: watching someone else react with fear.
• Informational learning: being told, or learning from the culture, that something is dangerous.

This helps explain two puzzles. Many people with phobias recall no frightening event. Others have one, such as a dog bite, and never develop a phobia.

Biological Preparedness

Biology also plays a part. Seligman (1970) proposed that humans are primed to learn some fears, such as fear of snakes and spiders, far more readily than others. This idea is called biological preparedness.

Öhman and colleagues (1975) tested this by pairing mild shocks with pictures of snakes and spiders, or of flowers and mushrooms. Both kinds of picture became fear cues quickly, but the fear of snakes and spiders was far slower to fade.

Thinking Patterns

How a person thinks about threat also matters. Researchers have identified four patterns that keep anxiety going:

• Threat schema: an enduring habit of reading ambiguous situations as dangerous, so feared outcomes seem likelier and worse (Beck & Emery, 1985).
• Catastrophic misinterpretation: in panic disorder, a racing heart is misread as a heart attack, and the fear then intensifies the sensation (Clark, 1986).
• Attentional bias: anxious people notice threats faster and disengage more slowly, a moderate effect across many anxious groups (Bar-Haim et al., 2007).
• Intolerance of Uncertainty: difficulty accepting that an outcome cannot be known. It links to worry (r = .59), especially in generalized anxiety disorder (Akbari et al., 2026).

These patterns work alongside learning. Conditioning can supply the first fear association, while a biased way of appraising threat shapes how intensely and how long the fear lasts.

Personality

An individual’s personality traits could also contribute to their likelihood of developing an anxiety disorder.

For instance, those with timid temperaments, pessimistic outlooks, or those who tend to avoid anything dangerous may be more naturally anxious.

Moreover, those who scored highly on the personality dimension of neuroticism have consistently been found to be a risk factor for a range of anxiety disorders (Zhang et al., 2021).

Life events

Stressful or traumatic experiences, such as childhood abuse, neglect, bullying, or the loss of a parent, can increase the risk of developing anxiety disorders.

Overprotective or emotionally distant parenting may also play a role.

In adulthood, major stressors like work pressure, financial difficulties, health changes, or co-occurring mental health problems can trigger or worsen anxiety.

During the COVID-19 pandemic, for example, psychological distress was positively linked with generalized anxiety disorder, likely due to heightened worries about health, work, and finances (Nikčević et al., 2021).

Diagnosis and Professional Help

If anxiety interferes with daily life, such as work, school, relationships, or physical health, it may be time to seek professional support.

People are also encouraged to reach out if anxiety leads to substance use, returns after treatment, or is accompanied by thoughts of self-harm.

Fear itself can stand in the way. Kikas et al. (2026) interviewed 37 adults with health anxiety, and fear of a serious diagnosis kept some of them from seeking care. One participant explained:

“But I don’t want to go to the doctor because they’re going to just confirm my worst fears.”

Mental health professionals, such as psychologists, psychiatrists, or general practitioners, can assess whether symptoms meet the criteria for an anxiety disorder. Diagnosis typically involves:

• Clinical interviews – A structured conversation about symptoms, history, and their impact on daily life.
• Diagnostic guidelines – Professionals use criteria from manuals such as the DSM-5 or ICD-11 to determine whether symptoms fit a specific disorder.
• Screening tools – Questionnaires like the GAD-7 or Beck Anxiety Inventory may be used to measure severity and patterns of anxiety.
• Rule-outs – Since anxiety can overlap with other conditions (such as depression or thyroid problems), professionals may consider medical tests or referrals.

While an online quiz or checklist can help you reflect on your symptoms, only a qualified professional can make a diagnosis and recommend treatment.

How Are Anxiety Disorders Managed?

Managing anxiety often involves a combination of approaches, and what works can vary from person to person.

Some people benefit most from therapy, others from medication, lifestyle changes, or a blend of these. It’s normal for treatment to involve some trial and error, and professional guidance is important for finding the right fit.

Psychotherapy is a common and effective option. In therapy, people learn about their thoughts, feelings, and behaviors, and develop healthier ways of coping.

Sessions may be individual, group, couple, or family-based.

Common evidence-based therapies include:

• Cognitive Behavioral Therapy (CBT): Helps identify unhelpful thought patterns and replace them with more balanced ones while building coping skills.
• Dialectical Behavior Therapy (DBT): A form of CBT that emphasizes mindfulness, distress tolerance, and emotion regulation.
• Exposure Therapy: Gradually introduces feared objects or situations to reduce avoidance and build confidence, often used for phobias or social anxiety.
• Acceptance and Commitment Therapy (ACT): Encourages accepting difficult thoughts and feelings while committing to personal values and positive actions.

Exposure works because avoidance keeps fear alive. Facing a feared object safely and repeatedly lets the fear fade, a process called extinction. Choy et al. (2007) reviewed treatments for specific phobia and found exposure-based approaches consistently more effective than alternative psychological or drug treatments.

Because every person’s experience of anxiety is different, consulting a qualified mental health professional is the best way to find a tailored treatment plan.

How Well Does Treatment Work?

Large reviews show that therapy helps many people, but not everyone equally. Carpenter et al. (2018) pooled 41 randomized trials (2,843 patients) that compared CBT with a placebo condition. CBT showed a moderate advantage (Hedges’ g = 0.56).

Patients were nearly three times as likely to respond (odds ratio = 2.97). Effects varied by disorder.

They were large for OCD and generalized anxiety disorder, but smaller for PTSD, social anxiety disorder, and panic disorder.

Hofmann et al. (2025) asked whether CBT has improved over time. They pooled 49 trials (3,645 participants) published across 30 years. The average effect over control conditions was moderate (g = 0.51) and did not grow with publication year.

Delivery format matters too. Spies et al. (2026) compared two trials of the same CBT manual for panic disorder and agoraphobia. One used face-to-face therapy (n = 138) and one a smartphone self-help app (n = 57).

Both helped. Face-to-face therapy reduced panic and agoraphobic symptoms more. The authors suggest apps may suit stepped care or bridge waiting times.

Medications

Medication is sometimes used alongside therapy and lifestyle changes.

The most common are SSRIs (a type of antidepressant), which adjust serotonin levels and are generally suitable for longer-term use, though side effects can occur.

Benzodiazepines may provide short-term relief for severe anxiety but can be habit-forming, so they are prescribed cautiously.

Because responses vary, decisions about medication should always be made with a qualified healthcare professional.

Self-Care Strategies for Anxiety

Lifestyle changes can support overall treatment and help reduce anxious feelings. These strategies are not a replacement for professional care but may improve daily well-being.

Healthy Habits

• Eat a balanced diet and stay hydrated.
• Exercise regularly, especially aerobic activity, which can ease tension and boost mood.
• Limit caffeine and alcohol, as both can worsen anxiety or interfere with sleep.

Routine and Balance

• Maintain consistent routines, including regular sleep and breaks during the day.
• Set realistic goals and reflect on progress to avoid feeling overwhelmed.

Relaxation Practices

• Try yoga, meditation, or breathing exercises to calm the body.
• Use mindfulness to stay present, whether through formal meditation or grounding tasks like walking, folding laundry, or making tea. This helps reduce rumination and “what if” thinking.

Social Support

• Stay connected with trusted friends and family. Talking about worries can ease their weight and remind you that you’re not alone.
• Practice acknowledging anxious thoughts rather than pushing them away, since acceptance can reduce their intensity.

Breaking the Vicious Cycle of Anxiety

Anxiety often keeps itself going through a self-reinforcing loop. Recognizing this cycle is the first step toward breaking it.

How the Cycle Works

• Hyper-awareness: People with anxiety tend to scan their surroundings for threats.
• Physical reactions: This constant monitoring heightens bodily symptoms like a racing heart, tension, or shortness of breath.
• Short-term coping: To feel safe, many turn to avoidance or safety behaviors, for example:
  • Someone with OCD may perform rituals to ease distress.
  • Someone with social anxiety might look busy on their phone to avoid interaction.

Long-term effects: While these strategies bring quick relief, they increase anxiety over time, lower confidence, and can make situations feel even harder to face in the future.

Steps Toward Breaking the Cycle

1. Identify safety behaviors
   Notice habits you use to cope—avoiding places, checking repeatedly, or seeking constant reassurance.
2. Face fears gradually
   Start with manageable challenges (e.g., saying hello to a coworker, resisting one compulsion). Slowly increase the difficulty as confidence builds.
3. Drop unhelpful crutches
   Reduce reliance on avoidance tactics like always bringing a “distraction” (e.g., phone, headphones) into stressful situations.
4. Expect short-term discomfort
   Anxiety may rise at first when you stop safety behaviors. Over time, repeated practice teaches the body and mind that the feared situation is tolerable.
5. Seek guidance if needed
   Working with a therapist can provide structure, encouragement, and strategies to make the process more manageable.

The Result

Through repeated exposure and practice, confidence grows and anxiety symptoms typically lessen.

Instead of feeling trapped in a cycle of fear and avoidance, individuals can reclaim more freedom and resilience in daily life.

Gains are not always permanent. Wong (2025) reviewed research on how fear reduction spreads from one stimulus to another.

Facing the exact original trigger carries over well to similar stimuli, but facing a merely similar one carries over poorly. Because therapy rarely recreates the original trigger, fear can return when someone meets a new version of what they fear.

Do you need mental health help?

USA

If you or a loved one struggle with symptoms of an anxiety disorder, contact the Substance Abuse and Mental Health Services Administration (SAMHSA) National Helpline. It provides information on support and treatment facilities in your area.

1-800-662-4357

UK

Contact the Samaritans for support and assistance from a trained counselor: https://www.samaritans.org/; email jo@samaritans.org .

Available 24 hours a day, 365 days a year (this number is FREE to call):

116-123

Rethink Mental Illness: rethink.org

0300 5000 927

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