Is black mold causing my wife's allergies?« Back to Previous Page

It's very possible the mold is contributing to your wife's symptoms. The black patch in your closet is a clear sign of a moisture issue, which is common here due to our high humidity levels, especially during the summer months. The persistent stuffy nose and itchy eyes she experiences in the morning are classic indicators of a reaction to mold spores circulating in the bedroom air.

While the term "black mold" can sound alarming, many types of black-colored mold are common allergens rather than acutely toxic. However, any ongoing mold exposure can trigger and worsen allergic reactions and sinus issues over time. The real concern is the hidden moisture source allowing it to grow; a small visible patch often means there's more moisture trapped within the wall or under the flooring.

For a situation like this, where symptoms are persistent and linked to a discovered growth, a professional inspection is wise. They can identify the exact species through lab analysis to understand its potential health impacts and, more importantly, locate the source of the moisture—whether it's condensation from your AC unit, a small plumbing leak, or humidity seeping in from the outside. Resolving the moisture problem is the only way to prevent it from returning after cleaning. In the interim, improve ventilation in the room, avoid disturbing the patch to prevent spores from spreading, and consider using a dehumidifier.