Still, sometimes it could happen that this mechanism, immune system, makes some mistakes which cause allergies. These allergies are results of hypersensitive immune system. The main problem is that hypersensitive immune system, makes mistakes, so it identifies innocuous substances as bad and dangerous for the body and as results of that, immune system starts with attack to the substances with high level of ferocity. Because of making antibodies en masse, immune system influence on starting up with allergy. Most often symptoms of allergy are respiratory swelling, rashes, itches, problem with breathing, nasal congestion or even death. Symptoms of Sinusitis Usually the symptoms of allergy and sinusitis are similar. First signals are influencing on producing antibodies by immunological system, which are destroying these allergens. These antibodies are also known as IgE immunoglobulin E. So, first time of exposing to the allergen, will not cause symptoms as it will second or other time. This means that when you next time expose to the allergen, you may feel auto-reaction of your immune system with producing IgE antibodies. Other type of latex reaction is followed with different symptoms and body reaction, such as: red hives, causing, itching of eyes and nose, runny nose, rhinitis or also known as hay fever and at last asthma. In very rear situation, latex allergy may cause anaphylaxis, which cause less airflow and swelling and which may in the worst situation if it is not treated properly, caused and suddenly death. Allergy Biuers Club products have several features such as: VOC, allergen control purifiers, smoke controls and other controls, multiple chemical controls, safe room air purifies with duct kits, portable purifiers, whole house and central purifiers, replacement filters and particle counters. Replacement Air Filters and Allergy Relief Air Purifiers One of better online source of everything that you need for allergy relief and symptoms of allergy is AllergyReliefCenter. 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.