3 doctors weighed in:
How does one get rid of the odor caused by mold(black) which has been in basement for several years to prevent my kid from wheezing?
3 doctors weighed in

Dr. Javier Chinen
Pediatrics - Allergy & Asthma
1 doctor agrees
In brief: Fix water leaks
Allergic asthma is commonly triggered by mold.
The trigger is not the odor but the mold particles in the environment and the best measure to reduce exposure is to eliminate the mold, and reduce chances of regrowth by reducing humidity levels as possible. Mold grows in places where there is excessive humidity and frequent cleaning is not feasible. Allergy to mold is confirmed by skin testing.

In brief: Fix water leaks
Allergic asthma is commonly triggered by mold.
The trigger is not the odor but the mold particles in the environment and the best measure to reduce exposure is to eliminate the mold, and reduce chances of regrowth by reducing humidity levels as possible. Mold grows in places where there is excessive humidity and frequent cleaning is not feasible. Allergy to mold is confirmed by skin testing.
Dr. Javier Chinen
Dr. Javier Chinen
Thank
Dr. Thomas Klein
Internal Medicine - Allergy & Immunology
In brief: Remove the mold
To remove the mold odor you must remove the mold and reduce dampness.
Keep the basement at a relative humidity between 35-45% by using a dehumidifier. Have a contractor remove moldy baseboards, woodwork and insulation. Masonry walls can be treated as well and then can be waterproofed. You may have to re-grade the exterior to move water away from the house. French drains inside and out help.

In brief: Remove the mold
To remove the mold odor you must remove the mold and reduce dampness.
Keep the basement at a relative humidity between 35-45% by using a dehumidifier. Have a contractor remove moldy baseboards, woodwork and insulation. Masonry walls can be treated as well and then can be waterproofed. You may have to re-grade the exterior to move water away from the house. French drains inside and out help.
Dr. Thomas Klein
Dr. Thomas Klein
Thank
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