Growing Out of PA

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Anonymous
Anonymous's picture

I am new to this website and have found the information wonderful! My daughter was diagnosted with PA at 13 months after having peanut butter for the 2nd time and having a bad reaction. She had a blood test that confirmed she was allergic to peanuts. The test showed ASM Class of 3. The Lab report shows Modified RAST next to it, but the Allergist seemed to go by the ASM reference. In any event, how would I be able to tell in the future if my daughter outgrows this? Does a Class 3 mean anything? I believe my husband and I asked the allergist and he said you would have to expose her to peanuts to see if she is allergic and that it really isn't worth it to try? I am confused because I saw under the FAN conference that 10 - 20% of children under 2 outgrow the PA. How do you know or find out? My understanding was that once you test postive for the allergy (blood test)..you will always test postive under the blood test. I keep my fingers crossed that there is a way to find out? Does anyone have more specific information on this? Thanks.

Anonymous
Anonymous's picture

I do not have any information I am sorry but I am excited to hear what other people would say. I would never test my son, unless in a controlled situation, by giving him peanuts. I do not believe that my son will outgrow this since the conference notes say that most outgrow it by the time they are four. My son just turned four a few months back and had the most severe reaction just after he turned four. Well.....miracles can still happen.

melissa's picture
User offline. Last seen 3 years 17 weeks ago. Offline
Joined: 07/05/2004

My son has never had a blood test for his PA. He was just given a prick test which caused a pretty bad reaction. I was told when my son was first diagnosed at 18 months old that he would never out grow his allergy. As a adult he could tolerate some of the reaction if it is not life threatening, but chances are that his allergy could get worse. He could eventually react from a slight odor. His pre-school teacher has been allergic all her life. Her allergry started out pretty mild with just hives and some discomfort, but now she can't even smell them and she swells up. I am not very hopeful that my son will ever get to eat a PB&J. I don't want to challenge him in any way either.

Janet Laflamme's picture
User offline. Last seen 3 years 17 weeks ago. Offline
Joined: 02/08/1999

I pulled out my notes from the May 1999 FAN conference in Connecticut. As I was listening to Dr. Sampson I wrote down--cap rast <10, no asthma, first exposure under 2 years old--15-20% of children with this history MAY outgrow the peanut allergy. This is all I have. Maybe others who attended the more recent conferences have new information.

Janet Laflamme's picture
User offline. Last seen 3 years 17 weeks ago. Offline
Joined: 02/08/1999

I pulled out my notes from the May 1999 FAN conference in Connecticut. As I was listening to Dr. Sampson I wrote down--cap rast <10, no asthma, first exposure under 2 years old--15-20% of children with this history MAY outgrow the peanut allergy. This is all I have. Maybe others who attended the more recent conferences have new information.

Anonymous
Anonymous's picture

Yes, if anyone has any further notes I would appreciate them. I do know that my child was tested (blood tested, that is) a Class 3 out of a scale of 6. It has a ASM % reference class and then there is a classification for Modified RAST (but I am not sure what her reading is on that). I would love to know what that cap rast of <10 means as according to what I am looking at a <70 is normal...(indicates NO PA...I guess I will need to ask my daughter's pediatrician when we see him next what the cap rast is? Thanks for your input. I really appreciate it!

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