Could this black mold cause my kids' respiratory issues?« Back to Previous Page

My kids have been coughing non-stop for the past two weeks and their allergies are going crazy. I finally pulled out our large sofa in the living room to look for a lost toy and found a huge patch of black mold growing on the back of it and the wall behind, right against the corner where the AC vent is. We've lived in this Jumeirah Park villa for 2 years and just noticed this. Could this mold be the cause of their respiratory issues and how dangerous is it?
Posted by Matthew Harris
Asked on May 14, 2026 8:43 pm
Yes, the black mold you discovered is very likely contributing to your children's persistent coughing and allergy symptoms. Mold releases spores and microbial volatile organic compounds (mVOCs) into the air, which are known irritants that can trigger allergic reactions, asthma attacks, and respiratory inflammation, especially in children.

The location you describe—behind a sofa against a wall with an AC vent—is a classic high-risk area in Dubai villas. This setup creates a "cold bridge," where the chilled wall surface from the AC causes condensation to form, providing the constant moisture mold needs to thrive. This is a common issue in our humid climate where air conditioning runs year-round.

While the term "black mold" is often associated with Stachybotrys chartarum, which can produce mycotoxins, many common black-colored molds like Cladosporium or Aspergillus are also significant respiratory irritants. The specific species matters for understanding the health risk, but any extensive visible growth like you've described needs to be addressed.

You should arrange for a professional indoor environmental assessment. A proper inspection will identify the moisture source (likely condensation from the AC or a minor leak) and assess the extent of the growth, which may have spread inside the wall cavity. For a confirmed case like this, DIY cleaning is not advised as it can aerosolize a high concentration of spores throughout your home. Remediation should be handled by a certified professional who will use containment procedures and HEPA filtration to safely remove the contaminated materials and eliminate the moisture source. After remediation, a post-clearance test by an independent lab is the only way to verify the air quality has returned to a safe standard.
Posted by Sani Admin
Answered on May 16, 2026 7:29 pm