What Is Anxiety? Symptoms, Causes, and When It Becomes an Anxiety Disorder
In the modern world, one of the most common words used daily in our vocabulary is ‘anxiety’. I’m anxious about the exam. I’m anxious about that job interview. Most people fail to realize that being anxious is never the problem. Anxiety is a natural emotional response to stress, uncertainty, or perceived danger. Most people feel anxious before an examination, job interview, medical procedure, public presentation, wedding, or important personal decision. Anxiety is a necessary psychological response because it increases alertness, helps people prepare in advance, and encourages them to respond to possible threats.
So, is anxiety beneficial? Yes. But why is it then a disorder? Anxiety, which is a normal human response, becomes a mental-health concern when the fear or worry is excessive, difficult to control, persistent, or significantly impairs your daily life functioning. The World Health Organization(WHO) describes anxiety disorders as conditions involving intense and excessive fear or worry, often accompanied by physical tension, avoidance, and difficulty controlling the symptoms.
Is Anxiety and Fear the Same?
No. Anxiety is different from fear, although the two are closely related.
Fear is a natural response to an immediate and identifiable threat, such as encountering an aggressive animal. Anxiety is more related to anticipation of a future threat or uncertainty. There is no immediate threat as seen in the fear response. For example, a person may feel anxious for several days before an examination, even when no immediate danger is present.
Normal anxiety usually reduces when the stressful situation ends. In contrast, anxiety disorders tend to continue, become difficult to manage, or occur in situations that do not involve an objectively serious threat. They may also lead a person to avoid places, people, responsibilities, or activities that are important to them.
Common Symptoms of Anxiety
Anxiety symptoms differ between individuals. Some people mainly experience worry and overthinking, while others experience strong physical symptoms or panic. It involves emotional, cognitive, and physiological symptoms.
Emotional and cognitive symptoms
Common psychological symptoms include:
Persistent worry or apprehension(anticipation of something threatening).
Feeling tense, restless, or constantly ‘on edge’.
Difficulty controlling anxious thoughts.
Expecting the worst outcome.
Difficulty concentrating or making decisions.
Irritability or emotional sensitivity.
Feeling detached from oneself or one’s surroundings during intense anxiety.
Repeatedly seeking reassurance from others.
Physical symptoms
Anxiety activates the body’s stress-response system or ‘fight-or-flight response’. This may produce:
Rapid or pounding heartbeat.
Sweating, trembling, or shaking.
Shortness of breath or rapid breathing.
Muscle tension, especially in the shoulders, neck, jaw, or back.
Dizziness or light-headedness.
Headaches.
Nausea or digestive issues.
Dry mouth.
Tingling or numbness.
Fatigue.
Difficulty falling asleep or staying asleep(insomnia)
India’s National Mental Health Survey, conducted in 2015–2016 across 12 states, estimated that the current prevalence of anxiety disorders was approximately 3.6% of the population. The survey reported a lifetime prevalence of 3.7% for neurotic and stress-related disorders, a category that includes several anxiety-related conditions. Generalized anxiety disorder had a current prevalence of approximately 0.6%, while panic disorder was about 0.5%. The survey also found that current neurotic and stress-related disorders were more common among women than men: approximately 4.3% among females compared with 2.7% among males. Prevalence was particularly high in metropolitan urban areas, where it was reported at about 6.9%.
A later analysis of the National Mental Health Survey estimated that current common mental disorders, including anxiety and depressive disorders, affected about 5.1% of adults. It reported an approximately 80.4% treatment gap, meaning that many people experiencing these conditions did not receive appropriate professional care.
Types of Anxiety Disorders
Generalized Anxiety Disorder (GAD)- Persistent, excessive worry about everyday matters. Also known as ‘free-floating anxiety’, as the anxiety is not associated with any specific object/situation.
Panic Disorder- Repeated and unexpected panic attacks and constant anticipation about having more.
Social Anxiety Disorder- Intense fear of being negatively evaluated or embarrassed in social or performance situations.
Specific Phobia- Persistent and uncontrollable fear of a particular object or situation, such as heights, animals, or injections.
Agoraphobia- Fear of situations where escape or getting help may feel difficult, such as crowded places or public transport.
Separation Anxiety Disorder- Excessive fear about being apart from an important attachment figure.
Selective Mutism- Consistent difficulty speaking in certain social settings despite speaking in others, usually beginning in childhood.
Causes of Anxiety Disorders
There is no single cause of anxiety disorders. They generally develop through an interaction between biological, psychological, and environmental factors.
Biological and genetic factors
Anxiety disorders may run in families. Having a family history of anxiety disorders can increase vulnerability to developing anxiety disorders; however, it cannot be stated with certainty that the person will develop an anxiety disorder in their lifetime.
Neurobiological factors like differences in brain circuits involved in threat detection, emotional regulation, and stress responses may also play a role.
Certain medical conditions can produce symptoms that resemble anxiety. Thyroid disorders, heart problems, respiratory conditions, hormonal changes, chronic pain, and some neurological conditions may contribute to nervousness or physical symptoms. Caffeine, stimulants, alcohol withdrawal, recreational drugs, and some prescribed medicines can also worsen anxiety.
Psychological factors
People who tend to interpret uncertain situations as threatening may be more vulnerable to anxiety.
Perfectionism, low confidence, excessive self-criticism, intolerance of uncertainty, and a strong fear of making mistakes can maintain anxious thinking.
Early experiences may also influence later anxiety. Childhood neglect, bullying, abuse, family conflict, loss, excessive academic pressure, or overprotective parenting may affect how a person learns to respond to uncertainty and perceived threat.
Environmental Factors
Long-term stress can contribute to anxiety. Examples include financial insecurity, unemployment, academic pressure, relationship conflict, discrimination, migration, social isolation, caregiving responsibilities, illness, war, and exposure to violence or disasters. A single traumatic event like assault, sexual abuse, accident, etc., can also lead to anxiety symptoms, including post-traumatic stress symptoms.
It is important to know that some people may describe anxiety through physical complaints, such as headaches, fatigue, stomach problems, or sleep difficulties, without identifying it as a mental-health concern.
When Do Anxiety Symptoms Become an Anxiety Disorder?
When the level of anxiety exceeds the healthy level, it becomes a disorder. Several features are present in those cases, such as:
The worry is excessive or disproportionate to the actual situation.
It persists for a long time or repeatedly returns.
The person is unable to control it.
It causes significant distress, interfering with work, education, relationships, sleep, or self-care.
It leads to extensive avoidance or reassurance-seeking.
It produces persistent physical symptoms.
It restricts the person’s usual activities or quality of life.
For example, examination anxiety may encourage a student to prepare. But in the case of an anxiety disorder, it might involve weeks or months of uncontrollable worry, inability to sleep, repeated panic symptoms, avoidance of classes, and difficulty completing routine academic tasks.
When Should I Seek Help for Anxiety?
When anxiety lasts for several weeks, keeps returning frequently, disrupts your daily functioning, causes substantial avoidance, or affects sleep and relationships, it is necessary to seek professional help. It is also important to consult a physician to assess symptoms and rule out medical causes.
Treatment may include psychological therapies such as cognitive behavioural therapy, systematic desensitization (in the case of phobias), relaxation and stress-management strategies, lifestyle changes, and medications like SSRIs when prescribed by a qualified medical professional.
Anxiety disorders are common and treatable, and early support can prevent symptoms from becoming more disabling.
If anxiety is accompanied by thoughts of self-harm, suicide, inability to remain safe, severe confusion, or an urgent physical symptom, immediate emergency or crisis support should be contacted.
If anxiety is affecting your everyday life, speaking to a mental health professional can help you understand what you are experiencing and explore suitable treatment options. Koott offers online counselling and therapy, including support from a Malayali psychologist for people who prefer discussing their concerns in Malayalam.
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