Peanut-Free/Nut-Free Directory
Our directory is intended as a resource for people with peanut and nut allergies. It contains foods, helpful products, and much more.
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tynebaby,
Yes the CAP RAST test is a blood test. Glad to hear he was neg. on that. A 4+ is a positive result on the skin test and his reaction after eating the PB sandwich of hives sounds like a allergy reaction to peanut protein. I'm not doc or nurse so I'll just share experience as mother of PA child. My son was 3 1/2 when tested positive to Peanut. His skin prick was high then and at 6 was 9+. CAP RAST traditional is >100 usually doctors say that a score of 15 or higher they have a 95% have likehood of reacted if ingesting the peanut. If he is a tiny baby there is better chance of him out-growing this allergy-(I am avoiding all peanut ingestion even to point that I do homemade ice cream) doctors want person to avoid allergen and much later in controled setting may do a food challenge. My his's scores are way too high for this to be done (he is nine and never has had peanuts except in cross-containmentation like M &M's before we learned what all he allergic to and through breastmilk.) I hope this helps. Foodallergynetwork was helpful eat card listing things to watch out for etc.
Take Care and read up on this on this site or do search under peanut allergy.
JanB.
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