Allergies are very common, and most people will know what an allergy is. If you are unaware of what an allergy is, it is a type of bad reaction inside the immune system to a ordinary mild substance. Someone who does not suffer from any type of allergies will most likely have no reaction to the substance. However when there is someone who has allergies, their body will be set off by an encounter with the substance, the body will then respond by realizing chemicals, this will be the reason for the allergy.
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When children experience a reaction it can be seen as eczema and most likely be a food allergy. Children that do experience eczema will be at a high risk of getting a type of asthma or allergic rhinitis; which is more than likely to happen when children are in school.
By adulthood eczema will probably go away likewise with many other food allergies. Asthma or allergic rhinitis can sometimes form during their teenage years and when they are young adults, and are likely to hang around throughout their lives. An allergic symptom may, however not be permanent and will disappear eventually.
An atopic dermatitis (eczema), is usually the first sign of an allergy and can be seen in up to 20% of children, normally around the infant age. This form of allergy is consisted with itching, and a rash. The rash will appear to be dry and red, could have small blisters and may ooze or flake overtime. For infants this rash may be on the face most typically around the cheeks, the chest, the back of the scalp, and could form on the arms and legs. Where the distribution is, is where the children are most likely to scratch. The rash will be different for older children to younger children. For adults the rash will most likely be behind the knees or on the elbows.
A food allergy will happen at any stage of someones life. If there is a food allergy that has evolved it will result in a skin symptom, like swelling, hives or a redness on the skin, because of eating the food that started it. The symptom can arise quickly or it may take a while to show up. There are other symptoms involved with a food allergies, they can be nausea, vomiting, diarrhea, stomach aches not being able to breath sneezing, lightheadedness or a runny nose.
Symptoms can occur at any time but if they are food allergies a rash will appear. Children will most likely develop a form of eczema when they are allergic to something. Some allergies may also disappear over time. However, any type of allergy should be treated and seen by a doctor.