What is some of the most common allergys seen in the u.s.?

Multiple: Common allergies in the us include food allergy, mold allergy, pet allergy, and pollen allergy.

House dust mites: The droppings from house dust mites often found in the mattress and pillow are likely the most commonly inhaled allergen. The most common allergic condition is hay fever . The incidence of food allergy has been rising and likely affects about 8% in adults.