Could black mold behind toilet cause my kids' constant cough?« Back to Previous Page

My kids have been coughing non-stop for the past month, and I just found a patch of black mold spreading behind the toilet in our master bathroom. We’re in a villa in Mirdif, and the bathroom doesn’t have a window, so it never really dries out properly. Could this mold be the reason for their constant cold-like symptoms, and what’s the safest way to get rid of it without making the air quality worse?
Posted by Thomas White
Asked on May 8, 2026 3:25 pm
Yes, the black mold behind your toilet could absolutely be the cause of your children's persistent coughing. In a humid, enclosed bathroom without a window, mold spores become airborne and are easily inhaled, directly irritating the respiratory tract. This often manifests as a chronic cough, congestion, and cold-like symptoms, especially in children who are more susceptible.

For a small patch (less than one square foot), you can clean it yourself with a solution of white vinegar or a diluted bleach mixture. Wear an N95 mask and gloves, and ensure the room is well-ventilated during and after cleaning by running the bathroom exhaust fan for several hours. However, given that the mold is already causing health symptoms and the villa's high-humidity environment, the underlying moisture problem is likely more extensive. Visible mold is often just the tip of the iceberg; it can be growing within the wall cavity or under the flooring.

The safest approach is a professional assessment. They can identify the full extent of the growth and the source of moisture—often condensation from cold water pipes in the wall or a small leak. Remediation involves containing the area to prevent spores from spreading throughout your home during cleaning, which is a critical step DIY methods cannot achieve. In Dubai's climate, where AC runs year-round, resolving this moisture source is essential to prevent immediate recurrence. For a science-backed confirmation that the environment is safe after remediation, a post-clean surface or air test from an accredited lab provides verifiable results.
Posted by Sani Admin
Answered on May 10, 2026 11:14 pm