Nearly 40 million Americans face seasonal allergies, which usually begins in the spring and lasts through the first frost. It is often triggered by pollen, mold or other allergens from the air. According to the American Academy of Allergy, Asthma and Immunology, Americans spend more than $ 4500000000 each year on medications and doctor visits to treat their allergies.

The first step of treatment is to reduce exposure to certain allergens. If not possible, control the symptoms of common drugs through later.

Here are some tips to help control your allergies:

Know your triggers: In order to avoid allergies, you need to know what it is. Doctors can determine what you are allergic to examine the background and health or physical examination. In some cases the skin tests or blood patch can be used to confirm a suspected allergen.