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Allergies In Children
Allergies in children, an incidence which has increased over the last fifty years, are overreactions of the immune system often caused by foreign substances or genetics that may present themselves in different ways. There are multiple forms of testing, prevention, management, and treatment available if an allergy is present in a child. In some cases, it is possible for children to outgrow their allergies. Morbidity Children affected by allergies in the developed world: * 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: * Percent with any allergy: 27.2% * Percent with seasonal allergy: 18.9% * Percent with eczema: 10.8% * Percent with food allergy: 5.8% Children in the United Kingdom: * 1 in 6 with eczema * 1 in 5 with allergic rhinitis * 7.1% of breast-fed infants who develop food allergies Pathophysiology A child's allergy is an immune system reaction to a foreign substance, or allerge ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hives
Hives, also known as urticaria, is a kind of skin rash with red, raised, itchy bumps. Hives may burn or sting. The patches of rash may appear on different body parts, with variable duration from minutes to days, and does not leave any long-lasting skin change. Fewer than 5% of cases last for more than six weeks. The condition frequently recurs. Hives frequently occur following an infection or as a result of an Allergy, allergic reaction such as to medication, insect bites, or food. Psychological stress, cold temperature, or vibration may also be a trigger. In half of cases the idiopathy, cause remains unknown. Risk factors include having conditions such as hay fever or asthma. Diagnosis is typically based on the appearance. Patch testing may be useful to determine the allergy. Prevention is by avoiding whatever it is that causes the condition. Treatment is typically with antihistamines such as diphenhydramine and cetirizine. In severe cases, corticosteroids or leukotriene inhi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
