But, the most of the allergens are come mainly from seat and saliva. These allergens contain a carbohydrate structure which is also known as Fel d 1. This is the main allergen which causes allergy on cat. Fel d 1 is much smaller than mold or pollen, still, no matter of the size of it, Fel d 1 is also allergen. Fur is not allergens as itself, but while your dog is grooming, collected dander and saliva that spread in the air make ideal conditions for allergy. Usually the time that is necessary for occurring of these allergens is about five to thirty minutes. But, there are and examples where occurring of allergens come much latter than usual. There are several natural factors which may cause allergy, so some of them are dust, pollen, mold as external factors which your body may comes in contact such as chemicals in food or food, dust mites or other. As the causes of the allergies are different, there are also and symptoms and signs of allergies are greatly different. So, before you have to eat something, it is recommendation to read all ingredients for that you need to eat. If you find that food contain ingredients on which you are allergic, you shouldn't eat it. Method For Avoiding Allergic Foods If you are allergic on certain food, it doesn't mean that you should stop with eating food on which you are not allergic. But, also mold could be found in the hay, rotting logs, compost piles, or similar. Still, symptoms of the allergies become worse if they are in combination with the humid or rainy weather. There are also and other allergen, but one of the most causes at the patients with the pats, of the allergy is animal dander. There are few top products intended for sinus and allergy relief. Nasal/Sinus Irrigation Systems Nasal/sinus irrigation systems are intended for treating problems with sinus and allergy, but more as therapeutic product for relief of the pain. These sinus relief devices are drug-free, soothing and designed to relieve all sings and symptoms that are caused with allergies, infections of the sinus or common coldness.