The range of symptoms associated with common allergies is as vast as the types of allergic reactions themselves. Nevertheless, several are common. Identifying them correctly is the first step to proper treatment. A a small number of airborne allergens, such as pollen or certain mold spores, tend to produce certain symptoms.
Two factors come into play with all allergic reactions. These are the allergen and the person who is sensitive to it. An allergen is any substance that causes an allergic reaction in an individual. To understand some of the common causes of allergic reactions, a little simple science is all that is needed.
Allergies and allergic reactions are estimated to affect over fifty million Americans. Many of these hypersensitive reactions, such as mild seasonal hay fever can be handled with over-the-counter drugs or with no treatment at all. On the other hand, some allergies can have a big effect on your life and in some cases, even become life threatening. If this is the case, you should see a doctor for a complete review and allergy testing.