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Anaphylaxis (Greek: ana-'up' + phylaxis 'guarding') is a serious, potentially fatal allergic reaction and medical emergency that is rapid in onset and requires immediate medical attention regardless of the use of emergency medication on site.
Psychological causes can include an anxiety disorder, depression, panic disorder, or bipolar disorder. A sense of impending doom often precedes or accompanies a panic attack. Physiological causes could include a pheochromocytoma, heart attack, blood transfusion, anaphylaxis, [1] or use of some psychoactive substances. [2]
Children affected by allergies in the developed world: [2] 1 in 13 have eczema; 1 in 8 have allergic rhinitis; 3-6% are affected by food allergy; Children in the United States under 18 years of age: [3] Percent with any allergy: 27.2%; Percent with seasonal allergy: 18.9%; Percent with eczema: 10.8%; Percent with food allergy: 5.8%
The study demonstrated that food allergy rates vary markedly, ranging from 2.9% among Indian American children to 8.2% among Filipino children. (The rate for all U.S. children is 5.8% .)
Risk factors for mental illness include psychological trauma, adverse childhood experiences, genetic predisposition, and personality traits. [7] [8] Correlations between mental disorders and substance use are also found to have a two way relationship, in that substance use can lead to the development of mental disorders and having mental disorders can lead to substance use/abuse.
Although causal direction has not been established, involvement in any sex or drug use is cause for concern. [26] Children who develop major depression are more likely to have a family history of the disorder (often a parent who experienced depression at an early age) than patients with adolescent- or adult-onset depression.
The main causes of constipation are diet, lack of sufficient amounts of water, stress, not enough exercise, and inconsistent bathroom routines. [18] Enuresis: The cause of enuresis is thought to be unclear and usually is attributed to many factors. Genetic – there is a genetic component within enuresis and it tends to run in families.
Other cases of anxiety arise from the child having experienced a traumatic event of some kind, and in some cases, the cause of the child's anxiety cannot be pinpointed. [111] Anxiety in children tends to manifest along age-appropriate themes, such as fear of going to school (not related to bullying) or not performing well enough at school, fear ...