Slideshow Pictures: Allergy -- What Happens in a Nasal Allergy Attack

Reviewed by Varnada Karriem-Norwood, MD on Monday, October 24, 2011

Photo of allergy composite.

Photo of white blood cells and bacteria.

Photo of woman dusting.

Photo of trachea.

Photo of mast cell.

Photo of people laying on ground.

Photo of woman with dust mask.

Photo of eye dropper with drop.

Photo of allergy test.

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