Affected individuals experience inner unrest, are easily fatigued, irritable and have trouble concentrating. [flexikon.doccheck.com]

[…] aches and pains colon spasms Central Nervous System diarrhea and/or constipation apprehensive, aroused and vigilant cramp-like pains in the upper stomach feeling "on edge," impatient, or irritable Respiratory System insomnia hyperventilation symptoms fatigue [anxieties.com]

Symptoms include chronic, pervasive anxiety and worry accompanied by nonspecific physical and psychological symptoms (restlessness, fatigue, difficulty concentrating, irritability, muscle tension, or sleep disturbances). [annals.org]

Restlessness or feeling keyed up or on edge Being easily fatigued Difficulty concentrating or mind going blank Irritability Muscle tension Sleep disturbance (difficulty falling or staying asleep, or restless unsatisfying sleep) Additionally, the anxiety [psychcentral.com]

The anxiety is often accompanied by one or more of the following symptoms: Fatigue Irritability (a tendency to get angry easily) Sleeping difficulties Headaches Nausea Diarrhea Excessive sweating Trembling Restlessness (severe agitation) Heart palpitations [quebec.ca]

Abstract Generalized anxiety disorder (GAD) is a common and disabling illness that is often underdiagnosed and undertreated. Patients with GAD are at increased risk for suicide as well as cardiovascular-related events and death. [annals.org]

"Prevalence, correlates, co-morbidity, and comparative disability of DSM-IV generalized anxiety disorder in the USA: Results from the National Epidemiologic Survey on Alcohol and Related Conditions". [en.wikipedia.org]

The anxiety is often accompanied by one or more of the following symptoms: Fatigue Irritability (a tendency to get angry easily) Sleeping difficulties Headaches Nausea Diarrhea Excessive sweating Trembling Restlessness (severe agitation) Heart palpitations [quebec.ca]

Their worries are accompanied by physical symptoms, especially trembling, twitching, muscle tension, headaches, irritability, sweating, or hot flashes. They may feel lightheaded or out of breath. [psychcentral.com]

The anxiety is often accompanied by one or more of the following symptoms: Fatigue Irritability (a tendency to get angry easily) Sleeping difficulties Headaches Nausea Diarrhea Excessive sweating Trembling Restlessness (severe agitation) Heart palpitations [quebec.ca]

The individuals who had GAD panic attacks had higher scores on the Anxiety Sensitivity Index compared with those who also had other types of panic attacks. [journals.lww.com]

attack (though panic attacks can occur within a person with GAD), being embarrassed in public (as in social phobia), being contaminated (as in obsessive-compulsive disorder), being away from home or close relatives (as in separation anxiety disorder) [psychcentral.com]

Treatment of panic attacks using cognitive therapy without exposure or breathing retraining. Behav. Res. Ther. 29, 161–166. doi: 10.3109/02770903.2015.1033724 PubMed Abstract CrossRef Full Text Google Scholar Sartorius, N., Ustün, T. [frontiersin.org]

Their worries are accompanied by physical symptoms, especially trembling, twitching, muscle tension, headaches, irritability, sweating, or hot flashes. They may feel lightheaded or out of breath. [psychcentral.com]

Affected individuals experience inner unrest, are easily fatigued, irritable and have trouble concentrating. [flexikon.doccheck.com]

[…] tension headaches the gurgling sounds of gas in the intestines other aches and pains colon spasms Central Nervous System diarrhea and/or constipation apprehensive, aroused and vigilant cramp-like pains in the upper stomach feeling "on edge," impatient, or irritable [anxieties.com]

Symptoms include chronic, pervasive anxiety and worry accompanied by nonspecific physical and psychological symptoms (restlessness, fatigue, difficulty concentrating, irritability, muscle tension, or sleep disturbances). [annals.org]

The anxiety is often accompanied by one or more of the following symptoms: Fatigue Irritability (a tendency to get angry easily) Sleeping difficulties Headaches Nausea Diarrhea Excessive sweating Trembling Restlessness (severe agitation) Heart palpitations [quebec.ca]

[…] difficulty maintaining an erection cold fingers Gastrointestinal System Musculoskeletal System dry mouth muscles tense difficulty swallowing involuntary trembling of the body "butterflies" in the stomach tension headaches the gurgling sounds of gas in [anxieties.com]

[…] anxiety about things before, during, and after they happen Excessive anxiety about safety and health, including the safety and health of loved ones Excessive anxiety about school that causes a child or teen to avoid going to school Frequent stomachaches, headaches [childrensnational.org]

Their worries are accompanied by physical symptoms, especially trembling, twitching, muscle tension, headaches, irritability, sweating, or hot flashes. They may feel lightheaded or out of breath. [psychcentral.com]

The anxiety is often accompanied by one or more of the following symptoms: Fatigue Irritability (a tendency to get angry easily) Sleeping difficulties Headaches Nausea Diarrhea Excessive sweating Trembling Restlessness (severe agitation) Heart palpitations [quebec.ca]

Symptoms include chronic, pervasive anxiety and worry accompanied by nonspecific physical and psychological symptoms (restlessness, fatigue, difficulty concentrating, irritability, muscle tension, or sleep disturbances). [annals.org]

Restlessness or feeling keyed up or on edge Being easily fatigued Difficulty concentrating or mind going blank Irritability Muscle tension Sleep disturbance (difficulty falling or staying asleep, or restless unsatisfying sleep) Additionally, the anxiety [psychcentral.com]