The reduction in allergic symptoms may be a result of not only a reduced exposure to allergens from a higher quality food, but also from a stronger immune system. (Radfood.com)
In addition to early - phase symptoms, a number of symptoms can occur several hours after exposure to the allergen and can even last upwards of weeks. (immunology.org)
If replacing your carpet isn't feasible, then you can minimize exposure to allergens by cleaning it frequently. (webmd.com)