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Generalized Anxiety Disorder
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Generalized Anxiety Disorder
Generalized anxiety disorder is a condition characterized by "free floating" anxiety or apprehension not linked to a specific cause or situation.
Some degree of fear and anxiety is perfectly normal. In the face of real danger, fear makes people more alert and also prepares the body to fight or flee (the so-called "fight or flight" response). When people are afraid, their hearts beat faster and they breathe faster in anticipation of the physical activity that will be required of them. However, sometimes people can become anxious even when there is no identifiable cause, and this anxiety can become overwhelming and very unpleasant, interfering with their daily lives. People with debilitating anxiety are said to be suffering from anxiety disorders, such as phobias, panic disorders, and generalized anxiety disorder. The person with generalized anxiety disorder generally has chronic (officially, having more days with anxiety than not for at least six months), recurrent episodes of anxiety that can last days, weeks, or even months.
Causes and symptoms
Generalized anxiety disorder afflicts between 2-3% of the general population, and is slightly more common in women than in men. It accounts for almost one-third of cases referred to psychiatrists by general practitioners.
Generalized anxiety disorder may result from a combination of causes. Some people are genetically predisposed to developing it. Psychological traumas that occur during childhood, such as prolonged separation from parents, may make people more vulnerable as well. Stressful life events, such as a move, a major job change, the loss of a loved one, or a divorce, can trigger or contribute to the anxiety.
Psychologically, the person with generalized anxiety disorder may develop a sense of dread for no apparent reason-the irrational feeling that some nameless catastrophe is about to happen. Physical symptoms similar to those found with panic disorder may be present, although not as severe. They may include trembling, sweating, heart palpitations (the feeling of the heart pounding in the chest), nausea, and "butterflies in the stomach."
According to the Diagnostic and Statistical Manual of Mental Disorders, 4th edition, a person must have at least three of the following symptoms, with some being present more days than not for at least six months, in order to be diagnosed with generalized anxiety disorder:
While generalized anxiety disorder is not completely debilitating, it can compromise a person's effectiveness and quality of life.
Anyone with chronic anxiety for no apparent reason should see a physician. The physician may diagnose the condition based on the patient's description of the physical and emotional symptoms. The doctor will also try to rule out other medical conditions that may be causing the symptoms, such as excessive caffeine use, thyroid disease, hypoglycemia, cardiac problems, or drug or alcohol withdrawal. Psychological conditions, such as depressive disorder with anxiety, will also need to be ruled out.
In June 2004, the Anxiety Disorders Association of America released follow-up guidelines to help primary care physicians better diagnose and manage patients with generalized anxiety disorder. They include considering the disorder when medical causes for general, vague physical complaints cannot be ruled out. Since generalized anxiety disorder often co-occurs with mood disorders and substance abuse, the clinician may have to treat these conditions as well, and therefore must consider them in making the diagnosis.
Over the short term, a group of tranquilizers called benzodiazepines, such as clonazepam (Klonipin) may help ease the symptoms of generalized anxiety disorder. Sometimes antidepressant drugs, such as amitryptiline (Elavil), or selective serotonin reuptake inhibitors (SSRIs), such as paroxetine (Paxil), escitalopram (Lexapro), and venlafaxine (Effexor), which also has norepinephrine, may be preferred. Other SSRIs are fluoxetine (Prozac) and sertraline (Zoloft).
Psychotherapy can be effective in treating generalized anxiety disorder. The therapy may take many forms. In some cases, psychodynamically-oriented psychotherapy can help patients work through this anxiety and solve problems in their lives. Cognitive behavioral therapy aims to reshape the way people perceive and react to potential stressors in their lives. Relaxation techniques have also been used in treatment, as well as in prevention efforts.
When properly treated, most patients with generalized anxiety disorder experience improvement in their symptoms.
While preventive measures have not been established, a number of techniques may help manage anxiety, such as relaxation techniques, breathing exercises, and distraction—putting the anxiety out of one's mind by focusing thoughts on something else.
"Guidelines to Assist Primary Care Physicians in Diagnosing GAD." Psychiatric Times (July1,2004):16.
Sherman, Carl. "GAD Patients Often Require Combined Therapy." Clinical Psychiatry News (August 2004): 12-14.
American Psychiatric Association. 1400 K Street NW, Washington DC 20005. (888) 357-7924. http://www.psych.org.
Anxiety Disorders Association of America. 11900 Park Lawn Drive, Ste. 100, Rockville, MD 20852. (800) 545-7367. http://www.adaa.org.
National Institute of Mental Health. Mental Health Public Inquiries, 5600 Fishers Lane, Room 15C-05, Rockville, MD 20857. (888) 826-9438. http://www.nimh.nih.gov.
Cognitive behavioral therapy — A psychotherapeutic approach that aims at altering cognitions—including thoughts, beliefs, and images—as a way of altering behavior.
disorder /dis·or·der/ (dis-or´der) a derangement or abnormality of function; a morbid physical or mental state.
acute stress disorder an anxiety disorder characterized by development of anxiety, dissociative, and other symptoms within one month following exposure to an extremely traumatic event. If persistent, it may become posttraumatic stress disorder.
adjustment disorder maladaptive reaction to identifiable stress (e.g., divorce, illness), which is assumed to remit when the stress ceases or when the patient adapts.
affective disorders mood d's.
amnestic disorders mental disorders characterized by acquired impairment in the ability to learn and recall new information, sometimes accompanied by inability to recall previously learned information.
anxiety disorders mental disorders in which anxiety and avoidance behavior predominate, i.e., panic disorder, agoraphobia, social phobia, specific phobia, obsessive-compulsive disorder, posttraumatic stress disorder, acute stress disorder, generalized anxiety disorder, and substance-induced anxiety disorder.
attention-deficit/hyperactivity disorder a controversial childhood mental disorder with onset before age seven, and characterized by inattention (e.g., distractibility, forgetfulness, not appearing to listen), by hyperactivity and impulsivity (e.g., restlessness, excessive running or climbing, excessive talking, and other disruptive behavior), or by a combination of both types of behavior.
autistic disorder autism; a severe pervasive developmental disorder with onset usually before three years of age and a biological basis; it is characterized by qualitative impairment in reciprocal social interaction, verbal and nonverbal communication, and capacity for symbolic play, by restricted and unusual repertoire of activities and interests, and often by cognitive impairment.
behavior disorder conduct d.
binge-eating disorder an eating disorder characterized by repeated episodes of binge eating, as in bulimia nervosa, but not followed by inappropriate compensatory behavior such as purging, fasting, or excessive exercise.
bipolar disorders mood disorders with a history of manic, mixed, or hypomanic episodes, usually with present or previous history of one or more major depressive episodes; included are bipolar I d., characterized by one or more manic or mixed episodes, bipolar II d., characterized by one or more hypomanic episodes but no manic episodes, and cyclothymic disorder. The term is sometimes used in the singular to denote either bipolar I disorder, bipolar II disorder, or both.
body dysmorphic disorder a somatoform disorder characterized by a normal-looking person's preoccupation with an imagined defect in appearance.
breathing-related sleep disorder any of several disorders characterized by sleep disruption due to some sleep-related breathing problem, resulting in excessive sleepiness or insomnia.
brief psychotic disorder an episode of psychotic symptoms with sudden onset, lasting less than one month.
catatonic disorder catatonia due to the physiological effects of a general medical condition and neither better accounted for by another mental disorder nor occurring exclusively during delirium.
character disorders personality d's.
childhood disintegrative disorder pervasive developmental disorder characterized by marked regression in various developmental skills, including language, play, and social and motor skills, after two to ten years of initial normal development.
circadian rhythm sleep disorder a lack of synchrony between the schedule of sleeping and waking required by the external environment and that of a person's own circadian rhythm.
collagen disorder an inborn error of metabolism involving abnormal structure or metabolism of collagen, e.g., Marfan syndrome, cutis laxa. Cf. collagen disease.
communication disorders mental disorders characterized by difficulties with speech or language, severe enough to interfere academically, occupationally, or socially.
conduct disorder a type of disruptive behavior disorder of childhood and adolescence marked by persistent violation of the rights of others or of age-appropriate societal norms or rules.
conversion disorder a somatoform disorder characterized by conversion symptoms (loss or alteration of voluntary motor or sensory functioning suggesting physical illness) with no physiological basis and not produced intentionally or feigned; a psychological basis is suggested by exacerbation of symptoms during psychological stress, relief from tension (primary gain), or gain of outside support or attention (secondary gains).
cyclothymic disorder a mood disorder characterized by alternating cycles of hypomanic and depressive periods with symptoms like those of manic and major depressive episodes but of lesser severity.
delusional disorder a mental disorder marked by well-organized, logically consistent delusions of grandeur, persecution, or jealousy, with no other psychotic feature. There are six types: persecutory, jealous, erotomanic, somatic, grandiose, and mixed.
depersonalization disorder a dissociative disorder characterized by intense, prolonged, or otherwise troubling feelings of detachment from one's body or thoughts, not secondary to another mental disorder.
depressive disorders mood disorders in which depression is unaccompanied by manic or hypomanic episodes.
developmental coordination disorder problematic or delayed development of gross and fine motor coordination skills, not due to a neurological disorder or to general mental retardation, resulting in the appearance of clumsiness.
disruptive behavior disorders a group of mental disorders of children and adolescents consisting of behavior that violates social norms and is disruptive.
dissociative disorders mental disorders characterized by sudden, temporary alterations in identity, memory, or consciousness, segregating normally integrated parts of one's personality from one's dominant identity.
dissociative identity disorder a dissociative disorder characterized by the existence in an individual of two or more distinct personalities, with at least two of the personalities controlling the patient's behavior in turns. The host personality usually is totally unaware of the alternate personalities; alternate personalities may or may not have awareness of the others.
dream anxiety disorder nightmare d.
dysthymic disorder a mood disorder characterized by depressed feeling, loss of interest or pleasure in one's usual activities, and other symptoms typical of depression but tending to be longer in duration and less severe than in major depressive disorder.
eating disorder abnormal feeding habits associated with psychological factors, including anorexia nervosa, bulimia nervosa, pica, and rumination disorder.
expressive language disorder a communication disorder occurring in children and characterized by problems with the expression of language, either oral or signed.
factitious disorder a mental disorder characterized by repeated, intentional simulation of physical or psychological signs and symptoms of illness for no apparent purpose other than obtaining treatment.
factitious disorder by proxy a form of factitious disorder in which one person (usually a mother) intentionally fabricates or induces physical (Munchausen syndrome by proxy) or psychological disorders in another person under their care (usually their child) and subjects that person to needless diagnostic procedures or treatment, without any external incentives for the behavior.
female orgasmic disorder consistently delayed or absent orgasm in a female, even after a normal phase of sexual excitement and adequate stimulation.
female sexual arousal disorder a sexual dysfunction involving failure by a female either to attain or maintain lubrication and swelling during sexual activity, after adequate stimulation.
functional disorder a disorder of physiological function having no known organic basis.
gender identity disorder a disturbance of gender identification in which the affected person has an overwhelming desire to change their anatomic sex or insists that they are of the opposite sex, with persistent discomfort about their assigned sex or about filling its usual gender role.
generalized anxiety disorder (GAD) an anxiety disorder characterized by excessive, uncontrollable worry about two or more life circumstances for six months or more.
hypoactive sexual desire disorder a sexual dysfunction consisting of persistently or recurrently low level or absence of sexual fantasies and desire for sexual activity.
impulse control disorders a group of mental disorders characterized by repeated failure to resist an impulse to perform some act harmful to oneself or to others.
induced psychotic disorder shared psychotic d.
intermittent explosive disorder an impulse control disorder characterized by multiple discrete episodes of loss of control of aggressive impulses resulting in serious assault or destruction of property that are out of proportion to any precipitating stressors.
learning disorders a group of disorders characterized by academic functioning that is substantially below the level expected on the basis of the patient's age, intelligence, and education.
lymphoproliferative disorders a group of malignant neoplasms arising from cells related to the common multipotential lymphoreticular cell, including lymphocytic, histiocytic, and monocytic leukemias, multiple myeloma, plasmacytoma, and Hodgkin's disease.
lymphoreticular disorders a group of disorders of the lymphoreticular system, characterized by the proliferation of lymphocytes or lymphoid tissues.
major depressive disorder a mood disorder characterized by the occurrence of one or more major depressive episodes and the absence of any history of manic, mixed, or hypomanic episodes.
male erectile disorder a sexual dysfunction involving failure by a male to attain or maintain an adequate erection until completion of sexual relations.
male orgasmic disorder consistently delayed or absent orgasm in a male, even after a normal phase of sexual excitement and stimulation adequate for his age.
manic-depressive disorder former name for a mood disorder now known as bipolar I d. or bipolar II d. and often called bipolar d. (q.v.).
mendelian disorder a genetic disease showing a mendelian pattern of inheritance, caused by a single mutation in the structure of DNA, which causes a single basic defect with pathologic consequences.
mental disorder any clinically significant behavioral or psychological syndrome characterized by the presence of distressing symptoms, impairment of functioning, or significantly increased risk of suffering death, pain, or other disability.
minor depressive disorder a mood disorder closely resembling major depressive disorder and dysthymic disorder but intermediate in severity between the two.
mixed receptive-expressive language disorder a communication disorder involving both the expression and the comprehension of language, either spoken or signed.
monogenic disorder mendelian d.
mood disorders mental disorders characterized by disturbances of mood manifested as one or more episodes of mania, hypomania, depression, or some combination, the two main subcategories being bipolar disorders and depressive disorders.
motor skills disorder any disorder characterized by inadequate development of motor coordination severe enough to restrict locomotion or the ability to perform tasks, schoolwork, or other activities.
multifactorial disorder one caused by the interaction of genetic and sometimes also nongenetic, environmental factors, e.g., diabetes mellitus.
multiple personality disorder dissociative identity d.
myeloproliferative disorders a group of usually neoplastic diseases possibly related histogenetically, including granulocytic leukemias, myelomonocytic leukemias, polycythemia vera, and myelofibroerythroleukemia.
neurotic disorder neurosis.
nightmare disorder repeated episodes of nightmares that awaken the sleeper, with full orientation and alertness and vivid recall of the dreams.
obsessive-compulsive disorder (OCD) an anxiety disorder characterized by recurrent obsessions or compulsions, which are severe enough to interfere significantly with personal or social functioning. Cf. obsessive-compulsive personality disorder, under personality .
obsessive-compulsive personality disorder see under personality.
oppositional defiant disorder a type of disruptive behavior disorder characterized by a recurrent pattern of defiant, hostile, disobedient, and negativistic behavior directed toward those in authority.
organic mental disorder a term formerly used to denote any mental disorder with a specifically known or presumed organic etiology. It was sometimes used synonymously with organic mental syndrome.
orgasmic disorders sexual dysfunctions characterized by inhibited or premature orgasm; see female orgasmic d., male orgasmic d., and premature ejaculation.
pain disorder a somatoform disorder characterized by a chief complaint of severe chronic pain which is neither feigned nor intentionally produced, but in which psychological factors appear to play a major role in onset, severity, exacerbation, or maintenance.
panic disorder an anxiety disorder characterized by attacks of panic (anxiety), fear, or terror, by feelings of unreality, or by fears of dying, or losing control, together with somatic signs such as dyspnea, choking, palpitations, dizziness, vertigo, flushing or pallor, and sweating. It may occur with or, rarely, without agoraphobia.
paranoid disorder older term for delusional d.
personality disorders a category of mental disorders characterized by enduring, inflexible, and maladaptive personality traits that deviate markedly from cultural expectations and either generate subjective distress or significantly impair functioning. For specific disorders, see under personality.
pervasive developmental disorders disorders in which there is impaired development in multiple areas, including reciprocal social interactions, verbal and nonverbal communications, and imaginative activity, as in autistic disorder.
phagocytic dysfunction disorders a group of immunodeficiency conditions characterized by disordered phagocytic activity, occurring as both extrinsic and intrinsic types. Bacterial or fungal infections may range from mild skin infection to fatal systemic infection.
phobic disorders see phobia.
phonological disorder a communication disorder characterized by failure to use age- and dialect-appropriate sounds in speaking, with errors occurring in the selection, production, or articulation of sounds.
plasma cell disorders see under dyscrasia.
postconcussional disorder see under syndrome.
posttraumatic stress disorder (PTSD) an anxiety disorder caused by an intensely traumatic event, characterized by mentally reexperiencing the trauma, avoidance of trauma-associated stimuli, numbing of emotional responsiveness, and hyperalertness and difficulty in sleeping, remembering, or concentrating.
premenstrual dysphoric disorder premenstrual syndrome viewed as a psychiatric disorder.
psychoactive substance use disorders substance use d's.
psychosomatic disorder one in which the physical symptoms are caused or exacerbated by psychological factors, as in migraine headaches, lower back pain, or irritable bowel syndrome.
psychotic disorder psychosis.
reactive attachment disorder a mental disorder of infancy or early childhood characterized by notably unusual and developmentally inappropriate social relatedness, usually associated with grossly pathological care.
rumination disorder excessive rumination of food by infants, after a period of normal eating habits, potentially leading to death by malnutrition.
schizoaffective disorder a mental disorder in which symptoms of a mood disorder occur along with prominent psychotic symptoms characteristic of schizophrenia.
schizophreniform disorder a mental disorder with the signs and symptoms of schizophrenia but of less than six months' duration.
seasonal affective disorder (SAD) depression with fatigue, lethargy, oversleeping, overeating, and carbohydrate craving recurring cyclically during specific seasons, most commonly the winter months.
separation anxiety disorder prolonged, developmentally inappropriate, excessive anxiety and distress in a child concerning removal from parents, home, or familiar surroundings.
1. any disorders involving sexual functioning, desire, or performance.
2. specifically, any such disorder that is caused at least in part by psychological factors; divided into sexual dysfunctions and paraphilias.
sexual arousal disorders sexual dysfunctions characterized by alterations in sexual arousal; see female sexual arousal d. and male erectile d.
sexual aversion disorder feelings of repugnance for and active avoidance of genital sexual contact with a partner, causing substantial distress or interpersonal difficulty.
sexual desire disorders sexual dysfunctions characterized by alteration in sexual desire; see hypoactive sexual desire d. and sexual aversion d.
sexual pain disorders sexual dysfunctions characterized by pain associated with intercourse; it includes dyspareunia and vaginismus not due to a general medical condition.
shared psychotic disorder a delusional system that develops in one or more persons as a result of a close relationship with someone who already has a psychotic disorder with prominent delusions.
sleep disorders chronic disorders involving sleep, either primary (dyssomnias, parasomnias) or secondary to factors including a general medical condition, mental disorder, or substance use.
sleep terror disorder a sleep disorder of repeated episodes of pavor nocturnus.
sleepwalking disorder a sleep disorder of the parasomnia group, consisting of repeated episodes of somnambulism.
social anxiety disorder social phobia.
somatization disorder a somatoform disorder characterized by multiple somatic complaints, including a combination of pain, gastrointestinal, sexual, and neurological symptoms, and not fully explainable by any known general medical condition or the direct effect of a substance, but not intentionally feigned or produced.
somatoform disorders mental disorders characterized by symptoms suggesting physical disorders of psychogenic origin but not under voluntary control, e.g., body dysmorphic disorder, conversion disorder, hypochondriasis, pain disorder, somatization disorder, and undifferentiated somatoform disorder.
somatoform pain disorder pain d.
speech disorder defective ability to speak; it may be either psychogenic (see communication d. ) or neurogenic. See also aphasia, aphonia, dysphasia, and dysphonia.
stereotypic movement disorder a mental disorder characterized by repetitive nonfunctional motor behavior that often appears to be driven and can result in serious self-inflicted injuries.
substance-induced disorders a subgroup of the substance-related disorders comprising a variety of behavioral or psychological anomalies resulting from ingestion of or exposure to a drug of abuse, medication, or toxin. Cf. substance use d's.
substance-related disorders any of the mental disorders associated with excessive use of or exposure to psychoactive substances, including drugs of abuse, medications, and toxins. The group is divided into substance use d's and substance-induced d's .
substance use disorders a subgroup of the substance-related disorders, in which psychoactive substance use or abuse repeatedly results in significantly adverse consequences. The group comprises substance abuse and substance dependence.
undifferentiated somatoform disorder one or more physical complaints, not intentionally produced or feigned and persisting for at least six months, that cannot be fully explained by a general medical condition or the direct effects of a substance.
unipolar disorders depressive d's.
generalized anxiety disorder (GAD),
an anxiety reaction characterized by persistent apprehension. The symptoms range from mild, chronic tenseness, with feelings of timidity, fatigue, apprehension, and indecisiveness, to more intense states of restlessness and irritability that may lead to aggressive acts. In extreme cases the overwhelming emotional discomfort is accompanied by physical reactions, including tremor, sustained muscle tension, tachycardia, dyspnea, hypertension, increased respiration, and profuse perspiration. Other physical signs include changes in skin color, nausea, vomiting, diarrhea, restlessness, immobilization, insomnia, and changes in appetite, all occurring without underlying organic cause. The symptoms of anxiety may be controlled with medication, such as tranquilizers, but psychotherapy is the preferred treatment. Also called anxiety reaction, anxiety state. See also anxiety, anxiety attack.
generalized anxiety disorder
GAD; an anxiety disorder characterized by the presence of excessive, uncontrollable anxiety and worry about two or more life circumstances for six months or longer, accompanied by some combination of restlessness, fatigue, muscle tension, irritability, disturbed concentration or sleep, and somatic symptoms.
generalized anxiety disorder
Psychiatry A situation-independent syndrome characterized by unrealistic or excessive anxiety and worry about life circumstances, often in a background of depression Clinical Motor tension, autonomic hyperactivity, vigilance and scanning, episodes of severe anxiety
gen·er·al·ized anx·i·e·ty dis·or·der (GAD),
1. chronic, repeated episodes of anxiety reactions; a psychological disorder in which anxiety or morbid fear and dread accompanied by autonomic changes are prominent features.
2. a DSM diagnosis that is established when the specified criteria are met.
gen·er·al·ized anx·i·e·ty dis·or·der (jen'ĕr-ă-līzd ang-zī'ĕ-tē dis-ōr'dĕr)
Chronic, repeated episodes of anxiety or dread accompanied by autonomic changes.
See also: anxiety
gen·er·al·ized anx·i·e·ty dis·or·der(GAD) (jen'ĕr-ă-līzd ang-zī'ĕ-tē dis-ōr'dĕr)
Chronic repeated episodes of anxiety reactions.
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acute stress disorder
acute stress reaction
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Body Dysmorphic Disorder
breathing-related sleep disorder
brief psychotic disorder
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generalized binomial trials model
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Generalized Born Approximation
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