Hi, Steve. What I have observed in my two children that have shown symptoms (constipation, tummyaches, exzema, mouth sensitivities, etc.) are delayed reactions. I suspect their respiratory allergies are also connected, nut I'm not sure. I really want to get the ALCAT, but I have read conflicting info. We have already had a negative skin test (I didn't know then about IgE and how the delayed onset of symptoms differs, and apparently neither did the allergist=)). I do not want to get the blood test if it is not reliable in testing for sensitivities, because another negative test and my family will surely think I have gone off the deep end when I continue to insist. But I would like to know for sure if possible, and if I am missing something else. What is your opinion on the ALCAT? Is there any other tests?
Thanks,
Megan> Date: Wed, 15 Oct 2008 10:13:43 -0400> From: [log in to unmask]> Subject: Re: Allergy Testing> To: [log in to unmask]> > > Date: Tue, 14 Oct 2008 10:50:10 -0400> > From: MB <[log in to unmask]>> > Subject: Re: Allergy testing> > > Not all children who are truely allergic( anaphylactic) to milk outgrow a > > milk protein allergy. According to our allergist/pulminologist as they get > > older they usually "tolerate" milk broken down such as "whey" in a baked > > good and by the time they are adults will not react anaphylactically any > > longer to parts of milk that the protein has been broken down such as > "whey" > > . But even if not anaphylactic(medical emergency) they would still be > > considered allergic and the symptoms will/can manifest themselves > > differently i.e. stomach upset, congestion, eczema etc..... > > Of course not all children grow out of allergies, but most do. You have to > remember that people on this list are a non-representative sampling. They or > their families all have serious dairy allergies that were not outgrown. That's > why both sides of the "if" have to be taken into consideration.> > I think the MB has misunderstood what the doctor said. There are two protein > families in milk, the casein family and the whey family. Casein allergies are > more common than whey allergies but you can be allergic to either family or to > both. > > I'm not quite sure what milk broken down to whey might mean. The whey portion > of milk is what is left over when the curds, which are mostly casein, are > removed during cheesemaking. Commercial whey products are usually dried to take > the water out for shipping, and consist of a powder that is partially whey > protein and partially lactose. The casein content would be small, but probably > non-zero. No one with a truly serious dairy allergy should be eating products > with whey in them. Those with a hypersensitivity might well do so.> > There are also two types of reactions to proteins. True allergies are > mediated by the IgE antibody. Those are the reactions that can be anaphylactic and > normally - but again not always - affect the skin and respiratory systems. Other > reactions are mediated by other antibody systems. Those are often referred to > as hypersensitivities to distinguish them. These arise later and affect > different systems from IgE reactions. I have a longer explanation and a chart on my > website at:> http://ourworld.compuserve.com/homepages/stevecarper/livallg.htm> > It's important to know the differences between the types of protein and the > types of reaction. They also react differently to testing, which is the source > of much confusion. Removing dairy is a good step, but it is a crude test and > doesn't return as much information as you need in the long term.> > Steve Carper> > > **************> New MapQuest Local shows what's happening at your > destination. Dining, Movies, Events, News &amp; more. Try it out > (http://local.mapquest.com/?ncid=emlcntnew00000002)
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