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Skin Prick Food Allergy Tests - Large Flare But No Wheal?
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Does anyone know if it's meaningful to get large flares but no (or little) wheals on skin prick food allergy tests? Before all this business with celiac testing, I had allergy testing done. I've had many environmental allergies since I was a kid (to pollens, dust, animals), and those skin prick tests gave me clear results. But my food tests were strange. For a bunch of them, I had large flares (22mm or more) but with either no wheals or wheals smaller than the histamine reference prick. The allergist ran IgE blood tests on a handful of these to try to get clearer about what was going on, and the blood tests were all negative. She concluded that I don't have any food allergies.

For other foods, and for the saline control prick, I got no wheals or flares, so it's not just that my skin is over-reactive in general. And I really can't draw any reliable conclusions from how I feel after eating, since I pretty much always feel sick. Maybe once I've been gluten-free for longer my reaction to the other foods will be clearer, but for now I don't want to cut out a whole bunch of other foods if it's not really necessary. The ones that gave me the big flares are all very common things (celery, carrot, apple, potato, orange, onion), and avoiding them all plus gluten would be quite restrictive. I did not react at all to other nightshades or to other things in the same families (like garlic or tomato), which makes it even more puzzling.

Has anyone else had weird allergy test results like this and figured out what it means? My allergist was not helpful - she just said to avoid whatever foods I feel bad eating (but again, I really can't tell right now). My endoscopy showed visible redness in my stomach, and biopsies of my esophagus showed inflammation. I have not seen the actual pathology report or had my follow-up appointment with the GI yet, but I think my intestinal biopsies didn't show clear signs of celiac or someone would have told me that by now. Gluten is obviously a huge problem for me, whether it's celiac or not, but I just can't tell whether it's the root of all the problems.

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    • Yes please, that'd be awesome Having a fun time trying to reply on my phone due to broken screen but will be back on tomorrow after results of doctor appointment to get to the bottom of why they've given me seemingly wrong advice re: next steps. Yup I'll admit to pity, anger, frustration and outright fear, been through the mill of emotions in this first week that's for sure. One thing before I go for that; back when I was self-diagnosing I wanted a full thyroid panel (T3, T4 etc.) and also ESR & CRP checks for vasculitis and similar maladies. Now it seems from my reading they can often follow celiac so my worry level of those has gone up a notch, more blood tests ahoy it seems? Main reason for worrying about those is the nearly constant tight / tender head I have at the moment. Top and sides of scalp. Could be the stress tensing the shoulders and occipital muscles at back of head but after the celiac diagnosis being missed I'm fearful of anything else being missed. Did anyone else have this tight head feeling at the start? Feels like the skin is being pulled inwards, sometimes goes down for a few minutes here and there and gets worse when sitting I think. I see the term "brain fog" a lot but luckily don't seem to have too much of that at present, this is more a physical sensation.
    • I don't have a lot of faith in the allergy testing naturalpaths do. I had them done, but really it wasn't very helpful. Foods that were okay on the blood work- I was still having obvious reactions to. Skin testing through an allergist didn't show up food allergies either. I agree the food elimination diet is a better way to go and doesn't cost a bunch of money. I did a whole 30 diet a while back that could have been helpful if the foods I reacted to were corn, dairy,  soy, grains and sugar- but I react to more than that.  I do need to do a major elimination diet- just haven't gotten up the willpower yet.   
    • Quick search gave too many responses to TGI Fridays but none to TGI Fridays Buns (or similar) so... I was talking with my sister-in-law (Gluten Intolerant) and she spoke highly of a pre-packaged bun from Fridays. I was hesitant but she gave me one (apparently you can buy them from the restaurant?) and I tried it. Since I'm slow to react I won't know about gluten for a bit but I can definitely say it is the closest to "real" I've had in years! Spongy, doesn't crumble while eating a sandwich and tastes good. Color me impressed! I tried to determine the manufacturer or if Fridays actually makes them but I can't locate anything worth pursuing. Anyone have information on this? Thanks in advance.
    • Thanks cyclinglady! I will!
    • You could ask the allergist to give you a starting point for an elimination diet. You would start out with 5 or so foods and then add in one new food a week to see if you react. If you react you of course drop that food. It is a bit of a pain as everything has to be basically single ingredient to start.  My allergist felt that was the best way to go and more accurate than blood testing.
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