1.   All three had positive reactions to extracts from nuts and the transgenic soybeans, but none had an allergic response to regular soybeans, it said.

2.   Antihistamines are most effective if taken before symptoms are well established, since they work to block histamines, which initiate the allergic response.

3.   Another new drug in development focuses specifically on allergy-induced asthma by blocking a protein in the body that turns on an allergic response.

4.   A full-blown allergic response often affects the skin and other organs, producing hives, swelling, asthma and, in extreme cases, anaphylactic shock.

5.   All are or were among millions of Americans at risk of developing an anaphylactic reaction, an extreme and potentially fatal allergic response.

6.   But, Sparks added, an allergic response can result in some people and it could be life-threatening.

7.   Cromolyn actually prevents or minimizes allergic response.

8.   If your child is allergic to peanuts, you may need to carry an epinephrine injection to halt an allergic response.

9.   It is the production of excess histamine that causes itchy eyes, runny nose and itchy skin in an allergic response.

10.   It goes without saying that even if death itself is a remote possibility, parents might rightly fear the full gamut of allergic responses.