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Doctor insights on: How Long Does Decreased Appetite Associated With Food Allergies Last

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Food allergy symptoms, how long will it last?

Food allergy symptoms, how long will it last?

Less than a day: If the symptoms you are asking about are really due to food allergy, they should begin almost immediately after eating the food and resolve in several hours but may last a day. ...Read more

Dr. Michael Zacharisen
566 doctors shared insights

Food Allergy (Definition)

Allergies usually mean there is a response like diarrhea, vomiting, hives, or anaphylaxis when that food is eaten. Other allergies can be more subtle and lead to chronic congestion, headaches, eczema, rashes, constipation, etc. Best answer- if concerned about a particular food eliminate it from your diet and see how you respond. You can ...Read more


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How long do food allergy rashes last?

How long do food allergy rashes last?

It depends: Food allergy can produce immediate hive rashes that resolve within 1-2 days of eliminating the food. Other food allergy rashes, such as eczema can last for several days to weeks after elimination. Rash can also persist if there are continued exposures to the food in question. Finally you need to as, "are you sure the rash is due to a food allergy" see an allergist for evaluation. ...Read more

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How long does an food allergy rash reaction last for a baby?

How long does an food allergy rash reaction last for a baby?

Few days: Once the offending food is identified and removed from the diet, the rash should go away in a few days. Most likely this is not a true food allergy and is some sort of environmental irritant rash. ...Read more

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Do food allergies last a lifetime, or do they eventually go away?

Do food allergies last a lifetime, or do they eventually go away?

Go away in kids: You are 37 years old. Although I have seen fish allergy resolve after 20 years or so, for most adults food allergies do not go away. In children & infants most dairy, egg, wheat, soy & corn allergy resolves in a few years. For example, for dairy we see at least 80% resolution in 10-15 years. Even peanut & tree nut allergy resolves spontaneously in 20-25% of kids. ...Read more

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Does a prolonged elimination diet (eg AIP) cause food allergies or anaphylaxis to foods that you eliminated?

Does a prolonged elimination diet (eg AIP) cause food allergies or anaphylaxis to foods that you eliminated?

Not usually: If you eliminated a food you are allergic to even for a long time, the reaction is unpredictable on reintroduction but it is unlikely that this action alone eliminates the food allergy. However some food allergies do tend to fade away (milk, egg etc0 with time-whether this is from having avoided it for a long time or not is unclear. ...Read more

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Are food allergies linked to Crohn's or any other disease of long-term intestinal damage? Have many food allergies w/ intestinal symptoms.

Are food allergies linked to Crohn's or any other disease of long-term intestinal damage? Have many food allergies w/ intestinal symptoms.

'Food allergies': most "food allergies" are not true allergies, but food intolerances instead. Food allergies do not increase the risk of developing Crohn's disease. If you are having symptoms of not being able to tolerate certain foods, you should consider seeing a gastroenterologist for further evaluation. Good luck. ...Read more

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How long does it take for food allergies to develop? If you have delayed allergic reactions, is it possible to eventually become anaphylactic?

How long does it take for food allergies to develop? If you have delayed allergic reactions, is it possible to eventually become anaphylactic?

Food allergy: A person, due to the right timing of exposure in the predisposed, can develop food allergies at any time in her/his life to any food. However most food allergies are due to the common highly allergenic foods, such as nuts seafood milk eggs soy ; wheat. It is unknown if delayed reactions can become anaphylactic; however if there is evidence of an ige reaction to a food, caution is the best remedy. ...Read more

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Could being exposed to mold for a long time cause food allergies?

Could being exposed to mold for a long time cause food allergies?

No: There is no evidence to suggest these two are linked. Allergy to mold can cause eye, nose or asthma symptoms, but not food allergies. ...Read more

Dr. John Chiu
2,479 doctors shared insights

Allergies (Definition)

Allergies occur when your immune system is triggered by envirionmental factors it should ignore--for example, pollen in the air, or dander on a cat or dog--and creates cells to fight against them. An allergic reaction typically causes itching, congestion, or drainage, and ...Read more


Dr. Lynne Weixel
89 doctors shared insights

Markedly Decreased Appetite (Definition)

Markedly decreased appetite (anorexia) is a symptom in which a person has little appetite (little desire to eat food). Anorexia nervosa, however, is a psychiatric disorder in which a "too skinny" person believes she is too fat, and has an abnormal fear of eating ...Read more