Exposed to allergens at certain times ...

Allergic disorders affect about 1 in 5 children and adults (40 to 50 million) and the sixth most significant cause of chronic diseases in the United States, according to Allergy Report from the American Academy of Allergy, Asthma and Immunology (AAAI). Allergies inadequate immune response to foreign substances. The influence of what is usually harmless substances like pollen, the immune system reacts as if the substance was harmful. Substances that cause allergies are called allergens. Most allergies as a result of the combination of inheritance (genes) and environmental (pollen, animal dander, etc.). Exposed to allergens at certain times when defenses are low or weak, such as after a viral infection or during pregnancy may also contribute to the development of allergies. When you enter into contact with an allergen, you may experience symptoms of allergic rhinitis (hay fever), including sneezing, nasal congestion, itchy, watery nose and lasix 40 mg iv eyes and / or asthma symptoms such as shortness of breath, chest tightness, shortness of breath and cough. .