Disorders in which fear or tension is overriding and the primary disturbance: phobic disorders, panic disorder, generalized anxiety disorder, obsessive-compulsive disorder, acute stress disorder, and posttraumatic stress disorder. These disorders form a major category in DSM-IV and cover most of what used to be referred to as the neuroses.

In DSM-IV, this category includes panic disorder without agoraphobia, panic disorder with agoraphobia, agoraphobia without history of panic disorder, specific (simple) phobia, social phobia (social anxiety disorder), obsessive-compulsive disorder, posttraumatic stress disorder, acute stress disorder, generalized anxiety disorder (includes overanxious disorder of childhood).

conditions characterized by unrealistic fear or anxiety of very high intensity, that negatively effect professional or social life or emotional health. Include panic disorder, agoraphobia (see above), phobias, obsessive-compulsive disorder, post-traumatic stress disorder, acute stress disorder (see above), generalized anxiety disorder.

Anxiety and worry are a normal part of everyday life. Most people get anxious in everyday situations such as at work, at sporting events or before an interview. When a person is worried continuously in particular situations they may be suffering from an anxiety disorder. Often a person with an anxiety disorder fears that a relative or themselves will become ill or have an accident or they worry about money or work.

See acute stress disorder, dissociative disorders, generalized anxiety disorder, obsessive-compulsive disorder, panic disorder, phobia, post-traumatic stress disorder (PTSD), social phobia, specific phobia.

A category of disorders described in the DSM-IV in which a person experiences anxiety so extreme that it interferes with functioning. Anxiety disorders include Obsessive Compulsive Disorder (OCD) which frequently accompanies autistic spectrum conditions.

A group of psychiatric disorders including generalized anxiety disorder, phobias, obsessive-compulsive disorders, and anxiety neurosis that are characterized by excessive anxiety.

These are disorders that involve a continuous state of anxiety or fear, lasting at least a month, marked by constant apprehension, difficulties in concentration and a pounding heart. Physical symptoms may also be present, such as headaches, sweating, irritability, and nausea. Anxiety disorders include panic disorder and obsessive-compulsive disorder. Depression is common in those with anxiety disorders.

Also known as anxiety neurosis or anxiety reaction. A condition that can be caused by both psychologic and physiologic factors. It can take two general forms: (1) acute anxiety (panic disorder), marked by repeated occurrences of intense self-limited anxiety lasting usually a few minutes to an hour, or (2) chronic anxiety, characterized by less intense reactions of much longer duration (days, weeks, or months).

A group of mental disorders or conditions characterized in part by chronic feelings of fear, excessive and obsessive worrying, restlessness, and panic attacks. Anxiety disorders include panic disorder, agoraphobia, obsessive-compulsive disorder, post-traumatic stress disorder, and others.

Disorders in which anxiety (persistent feelings of apprehension, tension, or uneasiness) is the predominant disturbance.

Mood disorders in which the individual responds to thoughts, situations, environments and/or people with fear and anxiety.

Anxiety disorders range from feelings of uneasiness to immobilizing bouts of terror. Most people experience anxiety at some point in their lives and some nervousness in anticipation of a real situation. However if a person cannot shake unwarranted worries, or if the feelings are jarring to the point of avoiding everyday activities, he or she most likely has an anxiety disorder.

Disorders such as generalized anxiety disorder, panic disorder, obsessive-compulsive disorder, posttraumatic stress disorder, and phobias.

Medical conditions, marked by feeling of apprehension that can prevent people from coping with their problems and can disrupt their daily lives.

a group of serious yet treatable health problems affecting one in 10 Americans; anxiety disorders are caused by a combination of biological and environmental factors

feelings of tension, distress or nervousness. Includes agoraphobia, social phobia, panic disorder, generalised anxiety disorder, obsessive-compulsive disorder, and post-traumatic stress disorder.

Certain illnesses that produce strong feelings of anxiety, worry, fear and/or avoidance in the people who have them.

These can include Separation Anxiety, characterized by fear of leaving home or of losing his or her parents; Overanxious Disorder, a generalized excessive worry about almost everything, possibly with perfectionist tendencies; Avoidance Disorder, an acute shyness and fear of being judged, this is the childhood version of social phobia; Panic Disorder, characterized by sweating, shaking, a pounding heart, nausea and even a fear of dying.