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Fewer than 5% of cases last for more than six weeks (a condition known as chronic urticaria). [2] The condition frequently recurs. [2] [4] Hives frequently occur following an infection or as a result of an allergic reaction such as to medication, insect bites, or food. [2] Psychological stress, cold temperature, or vibration may also be a trigger.
A food allergy is an abnormal immune response to food.The symptoms of the allergic reaction may range from mild to severe. They may include itchiness, swelling of the tongue, vomiting, diarrhea, hives, trouble breathing, or low blood pressure.
Hives may appear immediately or after a delay. [17] Hives can last for a few minutes or a few days, and vary from person to person. Also, a burning sensation occurs. A serious reaction is most likely to occur for patients where the hives occur with less than three minutes of exposure (during a cold test). [18]
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The sight of food and the smell of food – especially something I used to love – can make me crave it. But I don't want to feel miserable." Visker's condition has no official name.
This presentation is not typical of food allergies, which can make initial suspicion of alpha-gal syndrome less likely. [8] In 70% of cases, the reaction is accompanied by respiratory distress and is particularly harmful to those with asthma. [12] However, not every exposure to alpha-gal results in allergic reaction for some people with the ...
Stress hives can look similar to other types of hives, and normally present as red welts of varying sizes on the surface of your skin. “They can be located on any part of your body,” says Dr ...
In addition, there can be an allergic reaction to Anisakis proteins, even if the food in question was frozen, killing the nematodes, or cooked before being consumed, as some of the nematode proteins are resistant to heat. [19] Allergic reactions can include hives, asthma and true anaphylactic reactions. [7] [18] [20] [21]