Could this black mold be making my son sick?« Back to Previous Page

The AC in my apartment seems to be leaking a bit of water onto the carpet in our third bedroom, and now I'm seeing these black speckles spreading on the skirting board. My youngest son has been having a runny nose and a weird cough for the past couple of weeks that just won't go away, and we can't figure out why. We keep the room closed up because it's not used often, so the smell is really musty when we open the door. **Is this black mold, and could it be the reason my son is so sick, or am I overreacting?**
Posted by Megan Smith
Asked on April 10, 2026 10:30 am
Based on your description, it is very likely that the black speckles are mold growth, and it is a plausible explanation for your son's persistent respiratory symptoms. The constant moisture from the AC leak, combined with Dubai's high humidity and the closed, unventilated room, creates an ideal environment for mold to thrive.

Mold, particularly the common black-colored types like Cladosporium or Stachybotrys (often called "black mold"), releases spores and microbial volatile organic compounds (mVOCs) that are known irritants. In children and those with sensitivities, this exposure commonly manifests as a chronic runny nose, coughing, wheezing, and eye or throat irritation—symptoms that often resolve once the source is removed.

You are not overreacting. The musty smell is a clear indicator of active microbial growth. For your son's health and to prevent structural damage, this requires immediate action. First, stop the moisture source; have an AC technician repair the leak. Then, address the mold. For a small, visible patch, you can carefully clean it with a detergent solution. However, given it has spread onto porous materials like the skirting board and potentially into the carpet padding, a professional assessment is strongly recommended to determine the full extent.

In Dubai's climate, simply cleaning the visible mold without fixing the underlying humidity and moisture problem will lead to rapid regrowth. A professional inspection can identify the species and the moisture source, and a proper remediation plan will include containment, removal, and drying to prevent recurrence. Documenting the issue for your landlord or building management is also advisable, as they are typically responsible for addressing such problems.
Posted by Sani Admin
Answered on April 11, 2026 2:04 am