Causes of Mold Allergies


Photo by Allan Foster

What Allergy Symptoms Do You Have?

Mold allergy symptoms are triggered by heightened exposure or by a sensitive immune system response to normal levels of mold exposure. Mold is everywhere and in the air we breathe. When you inhale, tiny airborne mold spores enter your body. Your immune system recognizes these as unwanted visitors and develops antibodies to fight off the mold invasion.

Once you have been exposed to mold spores and your body has developed the antibodies, your immune system remembers the invader. When you come into contact with the same mold, your immune system reacts. When your immune system reacts to the presence of an invader the body releases chemicals in order to defend itself against it.  This defense mechanism can cause a runny nose, itchy eyes, and sneezing.

The most common types of molds that cause allergies are aspergillus, cladosporium, penicillium, and alternaria. If you are allergic to one type of mold does not mean you will be similarly affected by another.


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