It's like a snowball rolling downhill . . . The most important step you can take in getting relief from your mold allergy is to reduce your exposure to mold. If you have a basement, it needs some attention, too. Mold grows rapidly in dark and damp areas when the temperature is above freezing and below 90 or 100 degrees. Room temperature is ideal.
Mold spores travel in the air so that more mold can grow.
To get rid of, or slow the growth of, mold you have to change the conditions in your home to slow it's growth and to kill it. Reduce Humidity in Your Home . . . You can eliminate dampness in your home by reducing the amount of humidity. Replace it with a high-volume exhaust fan that moves a lot of air. Most use a rotary blower instead of a fan blade and are quite, too.