Although beautiful blooming trees and flowers can cause an endless number of people to suffer from the symptoms that are caused by allergies, the Fall season is also a time of the year that offers no relief at all to many people. There are different triggers that cause the frustrations that people experience when they have allergic reactions that occur in the fall, but they are just as unrelenting as those that happen during other times of the year. Ragweed is one of the biggest problems during the fall season that many people try to continuously avoid. Another well-known allergen is mold, which can be found both outdoors and indoors, can be airborne, and it is also fond of damp areas. It is true that dust mites are allergens that generally cause allergic reactions in the hot months of the summer, but it is also common for them to be thrust into the air when a furnace unit in a home or business is turned on during the Fall season. Then the frustrations of dealing with the allergy symptoms of a runny nose, sneezing, and wheezing will usually follow.