I took my 8 month old last week to the allergist because she was breaking out with cheerios, puffs, apples, rice krispies...to name a few. He didn't seem all that concerned since there are no gastrointestinal issues but he did do a scratch test on her. Everything came back negative with testing the top 8 allergens. I question the validity somewhat because I was not thinking at all and took a claritin either the day before or two days before and she's breastfed. My nephew also has severe allergies (that he is finally growing out of now that he 6 1/2) and my bil said some of his only showed up with the blood test when he was a baby. I guess it doesn't matter that much either way what the results said- we are avoiding wheat especially for now since it usually turns into dry eczema patches on her cheeks, mouth, and thumb. Has this happened to any of you where the skin test didn't indicate an allergy but the blood test did? I'm okay with avoiding the foods for now and don't really want to go through the blood test but am just wondering if that's common?
Stephanie
(Mom of 3 girls, Autumn (7), Shelby (5), and Carly (born 3/17/11)
Re: Rash/eczema but not an allergy
DD's Food Allergies: Peanuts and Rice, Outgrown Dairy!
8/09 Dx PCOS & Hashimoto's
BFP #2 12/13/11. Missed M/C at 11w5d, measured 8w6d. D&C 2/1/12
Never in my arms, but always in my heart.
DS has had eczema since 3 or 4 months... he tested positive for corn and cottonseed (both very rare) on a skin test. We removed those foods from his diet (he is now 20 months) for 5 weeks... his eczema remained the same (no gastro issues, either), so we reintroduced slowly. His eczema still remained the same.
We want to do a blood test, as well... but if he *is* allergic but the eczema isn't caused by the allergy, and there are no other allergic reactions- I see NO reason why we should limit DS' diet (especially when corn products and cottonseed oil is in practically EVERYTHING!)
GL!
Are you saying that you give a food and then her eczema immediately flares? If so that does seem like a possible allergy. But I don't know, I usually hear of eczema flaring over time and then subsiding over time when an allergin is eliminated. All three of mine have eczema and allergies and we are off of egg, wheat, & garlic but still have seen no change in the eczema.
I did see the eczema immediately flare for one of my boys but that was the beginning of an ana reaction for us so it's kind of a different scenario than what you are describing.
And to answer your question... Yes, DS3 had an ana reaction to eggs. He tested positive on the blood test for an allergy but negative on the skin test. The tests have a high false positive and negaive rate. I have read that the false positive is between 50-80%! That is why allergists are IMO rightfully hesitant to test prior to a reaction.
Yes, with wheat (or what I assume to be the cause) it immediately flares up. Her cheeks get red and bumpy and one spot by her mouth. After eating she sucks her thumb and that gets red. Then it's all dry and red for a few days. With everything else that I think I have pinpointed her being sensitive to, she just gets random bumps on her face that take a couple days to clear and sometimes get a whitehead to them. The rest of her skin is always fine, though.
Wow- that is a high rate for a false positive! I think we will continue to avoid wheat for a while and then try reintroducing in a month or two. I'll see what happens and possibly consult her ped for a blood test at a year (and make sure not to take Claritin myself so that she doesn't have any antihistamines in her system).
Our ana reaction with the instant eczema flare was to wheat...interesting huh. They can do the blood test even if an antihistamine has been taken recently. But it's probably a good idea to stear clear as they might want to re-do the skin test, you never know. Good luck with everything.