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The symptoms of allergies resemble those of the common cold; however, they often last for more than two weeks and, despite the common name, typically do not include a fever. [ 3 ] Exposure to animals early in life might reduce the risk of developing these specific allergies. [ 3 ]
Some types of food allergies among children resolve with age, including those to milk, eggs, and soy; while others such as to nuts and shellfish typically do not. [2] In the developed world, about 4% to 8% of people have at least one food allergy. [1] [2] They are more common in children than adults and appear to be increasing in frequency. [2]
Allergies, also known as allergic diseases, are various conditions caused by hypersensitivity of the immune system to typically harmless substances in the environment. [11] These diseases include hay fever , food allergies , atopic dermatitis , allergic asthma , and anaphylaxis . [ 1 ]
While seasonal allergies often begin in the sinuses, you may also experience symptoms in your head (headache and pressure), throat and chest (hoarseness and cough) and yes, even in your stomach ...
If you’re feeling those symptoms around the time you normally experience allergies, that suggests your runny nose is due to allergies. Also, colds usually last seven to 10 days, whereas allergy ...
Shellfish allergies are highly cross reactive, but its prevalence is much higher than that of fish allergy. Shellfish allergy is the leading cause of food allergy in U.S adults. [ 31 ] As of 2018 six allergens have been identified to prawn alone; along with crab, it is the major culprit of seafood anaphylaxis. [ 13 ]
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An allergy is different from an intolerance. Food allergies and food intolerances should not be confused because they do not contain the same risks and are not diagnosed the same way. Allergies can be fatal after only a small consumption, while intolerance, although uncomfortable, are not as deadly.