How Can I Tell If I Have a Mold Allergy?

Published: September 1, 2017

Diagnostic allergy skin testing along with discussion of your symptoms are the first steps in identifying whether you have a mold allergy.Q: I’m wondering if I could have a mold allergy, since I cough and get stuffed up once the leaves fall and start to rot. Plus, I also notice feeling that way in a damp basement. Is there a way to test for a mold allergy and treat it?

Dr. Bassett: An estimated 10 percent of the population has mold sensitivity (with detectable IgE antibodies to mold spores), and 5 percent experience actual allergic symptoms to these fungi. Diagnostic allergy skin testing is quite simple to have performed in an allergist’s office. That, along with discussion of your history of symptoms, would be the first steps to take in identifying whether you indeed have a mold allergy.

Be prepared, if you suffer from mold allergy, to do some planning and to develop an effective mitigation program. A good rule of thumb to keep in mind is that if you smell mildew, you’ve got mold contamination. In that case, you need to get both a dehumidifier and a low cost hygrometer. Make sure the latter reads below 50 percent humidity in the affected room.

It is quite costly to have a professional mold inspection and remediation work done in your home, but in some situations, such as after a flood, it may be unavoidable. If you are dealing with a mildew situation, it is always better to be ready to act to prevent future allergies, sinus issues and/or asthma.

Dr. Clifford Bassett, allergist and asthma specialist, is the Medical Director of Allergy & Asthma Care of New York (; Twitter @allergyreliefny). He is on the faculty of NYU School of Medicine and Weill Cornell Medical College in New York City and is also the author of The New Allergy Solution: Supercharge Resistance, Slash Medication, Stop Suffering.

How to Get a Hold on Mold

Submit a Question