Weird Food Allergies

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G has been developing some interesting food allergies in the past year. Last May she had hives on her arms and legs after eating watermelon. We tested it again a few weeks later and the same reaction occurred. In October she had a rash around her mouth after eating roasted squash, but did not seem to have problems with pumpkin pie or bread. Over Christmas travels she threw up for four hours after eating half a banana. In fact she never has liked bananas. Or she would be interested and take a bite and then not want anymore. Today she had two small banana muffins and vomited her whole lunch two hours later.

A little googling told me this about banana allergies:

Mouth Itching (I think she has been having this reaction to years.)

The allergy symptom of itching in the mouth area may affect the lips, tongue and throat. Itching sensations may spread to the eyes and skin. In discussing these problems with their doctors, patients should disclose additional known allergies, which can aid in diagnosis.
The Asthma and Allergy Foundation of America reports that many patients who get seasonal allergic reactions to ragweed or contact allergies to latex also have banana allergies. Mouth itching may be more intense during ragweed season, when patients' sensitivities are high.

Swelling (Have not noticed this.)

The inflammation that causes itching usually brings swelling to the same areas of the body. As the Mayo Clinic notes, itching and swelling symptoms from bananas in ragweed hay fever patients may comprise the extent of their health problems. Symptoms limited to the mouth are called oral allergy syndrome.
A greater reaction may raise welts on the skin, creating a red rash or hives. A severe allergic reaction to bananas can prompt the eyes and face to swell acutely, causing pain and tenderness and making it difficult for patients to see.

Respiratory Symptoms (This is a scary reaction, though I have not noticed this in her either.)

This inflammation may constrict the airways when swelling affects the throat, tongue and sinus areas under the eyes. The University of Maryland Medical Center relates that this condition may create difficulty in swallowing or breathing. These allergy symptoms can escalate to dangerous levels when combined with an adverse cardiovascular response.

Sudden Shock (EEK!)

Banana allergies become serious when the immune system mistakenly triggers a decrease in blood pressure. As respiratory problems restrict blood oxygen levels, anaphylaxis progresses toward shock, the Nemours Foundation reports. Serious allergy symptoms that require immediate paramedic assistance include a weak or racing pulse, light-headedness and sudden loss of consciousness.

Abdominal Pain (The clear sign of her allergy.)

Banana allergies cause a variety of gastrointestinal symptoms that often begin with nausea, notes the University of Maryland Medical Center. Stomach pain and cramping may take place shortly after eating bananas, as digestion begins. In some patients, however, allergic reactions to bananas provoke almost immediate vomiting or diarrhea.

Read more: http://www.livestrong.com/article/200384-banana-allergy-symptoms/#ixzz2M2nYKEIE

Another site says that the abdominal symptoms are latex related. I guess we should be careful about latex for her as well.

The weird thing is that we called her doctor after the throwing up episode at Christmas and she did not think it could be allergies. But I guess bananas cause weird reactions. No more bananas for G not even in the cooked form. The only positive thing I can draw from this information is that we are not at the beginning of a plague of the stomach flu, but simply dealing with an allergic reaction.