I get a headache like feeling very similar to the feeling from taking too much niacin. At the same time I get a little dizzy and confused. In the past I have taken allergy shots but not for several years for severe itching. When the pollen count goes down the symptoms stop. It seems like the allergy is dialating blood vessels much like Anaphylaxis. I wonder if this is possible for pollen type allergy to have some symptoms of this kind of sever allergy.


