Researchers have found some success treating allergic children with low doses of the allergenic substances such as milk or peanuts. One study had 33 children with peanut allergies eat peanut protein powder equivalent to one-thousandth of a peanut. Four of the children had to drop out because of allergic reactions, but six of nine children who stuck with the program for 2-1/2 years are now reaction-free to peanuts.
The approach, known as oral immunotherapy, involves slowly desensitizing the immune system by painstakingly ingesting increasing amounts of whatever triggers the reaction.
Researchers still consider this to be a very early and experimental method, and warn parents not to try it at home. There is still always the risk of triggering dangerous allergic reactions.
[Source]
Chapter: Allergies :: 6 August 2009
