So, if you have two or more cats or other animals in your home, sprays maybe will not give you effectively results. But, tannic acids, may make stain on your light furniture or light carpets, so it is not recommendation to use it on light surfaces. Dehumidifiers Dehumidifiers are good investment if you are leaving in the humid areas. When it is about immunotherapy, it should to mention that you can use it, before the doctor doesn't done blood test or skin test for determining what exacts factors influence on causing allergy at you. It is essential for patient to have igE antibodies to the allergens, for using immunotherapy. It also confirmed by John Yunginger, M. Still, the majority people are thinking that fur is the main reason of dog allergy. It is not truth. 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. 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. Also, if you think that you are allergic on some food, it doesn't mean that you are, until you do blood analyzes and determine on which food you are allergic. Allergy may occur at your body for things which may be not problematic for most people. These things are known as allergens and as reaction to them your body sends symptoms and signals that your immune system is in dangerous. Most Common Allergy Symptoms There are more symptoms that are noted in the moment when your body overreact on the allergens. They may be ranged from mildly inconvenient and up to total collapse of the body, followed in the worst cases with the death, but there are also and symptoms of food allergy which are known as anaphylaxis. Anaphylaxis is followed with violent allergic reaction from certain types of the food. Most usually symptoms of the food allergy are: Feeling of tingling in the mouth Tongue and throat swelling Problem with breathing, difficult breathing Hives Vomiting Crams in the stomach Diarrhea Blood pressure In the worst cases death Usually these signals appear after minutes to two hours after that you have entered certain food on which you are allergic.