In the moment when antibodies come in the contact with mast cells, they are changing structure of membranes and with that they make various chemicals. The main player in inflammation of surrounding tissues is chemicals known as histamine. Various are food allergy symptoms. 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. So, if you are next time exposed to the substances which are causing allergy attack, such as pollens, dust, wasp and other, with using these medicines you will have better control of your allergy reaction. With this medicine your immune system will be in much better form, than it is now and it will be better prepared for controlling of allergy attacks. Usually the symptoms are: swelling, itching of throat, nose, eyes, water eyes, runny nose, difficult breathing, hives, drop in blood pressure and in the worst cases death. Usually, the time necessary for reaction on the food, when it is about food allergies is from minutes to two hours, after entering food in your body. First at the beginning, immune system misidentifies allergens which are not harmful as some substances which are contained in disease. First signals are influencing on producing antibodies by immunological system, which are destroying these allergens. These antibodies are also known as IgE immunoglobulin E. Still, people are little confused about symptoms of the allergy, especially when it is about allergy on cats. The majority of the people are thinking that cat allergy is caused with the allergens from the cat dander. 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. These symptoms are mostly comes into the early spring, but also they may come in the late summer too. Direct contact with the most caused symptoms, such as pollen, or molds first symptoms of the allergy come through the skin. Some places of the home are exposed to the water, such as your kitchen or bathroom.