I don't have a link to any source on this, but my friend takes her daughter to Dr. Wood, one of the leading experts on PA in the US. Her daughter has outgrown PA and he told her that the chances of developing the allergy again are almost nil. He also said that people can have a lifelong positive skin prick test even if they are no longer allergic. Just wanted to pass this info along. Dr. Wood works out of Johns Hopkins and has done research with Dr. Samson in NY. He is PA himself.
outgrowing PA: unlikely to redevelop allergy
Posted on: Tue, 07/10/2001 - 10:27am
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That is wonderful news! If the skin prick test can test positive for life even if the person is no longer allergic, how are they confirming the allergy being outgrown? Did they do a RAST test? Or did they do an actual challenge? My daughter (3 now) has not had a reaction since her first at 14 months, and I am thinking about going back to the allergist to find out when would be a good time to have another test to see if she is still as allergic, or allergic at all. I'm thinking that he will probably say to wait until she is at least five, but maybe he would be able to do it now. It is so good to be hearing about people outgrowing this allergy. When she was first diagnosed it was such a blow to find out that it was probably going to be a life long thing. I just hope she is one of the lucky ones.
Kim, I know her daughter's CAP RAST got lower and then negative. I don't know if she was challenged, but will ask next time I talk to her. I imagine she was.
hmm im 17 (today actually) and the only reaction i ever had was when i was 2 years old. I may of had one at 13 but it was more of me crying thinking i was about to die and having a panic attack. Anyway i have never really been super careful nor have my parents and we never ask about peanut oil or other questions at restaurants. Hopefully i've outgrown it
I am 12, and I have never had an anaphalactic reaction...though I have tested very, very high on skin tests. I have had part of a shake that had peanut butter on the side, I have accidently put a chocolate Easter egg that had peanuts in it in my mouth, I have eaten M&Ms before, despite the label, and I never used to ask at restaurants, or call companies, or even read the ingrediants. I've also had peanut butter in my eye, and I was forced to play with peanut butter in second grade (even though I told my teacher I was allergic) My parents and I have been hoping that I am just skin allergic, or that I have outgrown it.
PAGirl -- Do you have asthma??? They say if someone has asthma the chances of growing out of a PA allergy is small. Does anyone know of someone with asthma who is no longer PA??? That would be great if there were some.
Ok, here's a clarification. My friend's daughter had a negative CAP RAST, but Dr. Wood will not challenge her until she is 4 or 5 (she is 2 1/2 now). Her immune system has not matured enough and she is still in a stage of developing new allergies I guess, so it's too early to challenge her. She didn't have another skin prick test since I guess there's no point. This child has multiple food allergies, by the way, including chicken--yikes!
This is an article that appeared in the Montreal Gazette on Saturday (I think)
Blood Test Reveals Food Allergies
A highly sensitive allergy test is now available across Canada that can help determine if children have outgrown allergies to peanuts, ,milk or eggs. The ImmunoCap Blood Test developed by Pharmacia Diagnostics, detects more than 500 different food, inhalant and occupational allergens. The test is done on blood, instead of the traditional allergy skin tests, which involve needle pricks to insert the allergen under the skin.