Bathroom mold causing my kids' persistent cough?« Back to Previous Page

My kids have been coughing non-stop since the start of this humid weather, and I've just found a bunch of black spots growing in the grout between the tiles behind our toilet. We live in a villa in Jumeirah and the bathroom doesn't have a window. Is this mold the likely cause of their coughs, and what's the fastest way to get rid of it properly?
Posted by Dana Al-Nasser
Asked on March 26, 2026 11:51 pm
Based on your description, it is highly probable that the black microbial growth in your bathroom grout is a contributing factor to your children's persistent cough. The absence of a window in your Jumeirah villa bathroom creates a perfect environment for mold proliferation, exacerbated by Dubai's intense humidity and the constant condensation from hot showers meeting cool AC-chilled surfaces. This trapped moisture, combined with organic matter like soap scum, allows mold spores to colonize and become airborne.

The type of growth you describe, particularly in a damp, dark area, is likely more than just surface mildew. It could indicate a deeper colonization within the porous grout and possibly behind the tiles. Disturbing it through improper cleaning can aerosolize a high concentration of spores and mycotoxins, potentially worsening respiratory symptoms.

For a situation involving health impacts, especially on children, a professional assessment is strongly advised. DIY methods often fail to address the root moisture problem and can spread contamination. Our certified inspectors conduct a comprehensive assessment that includes moisture mapping and air quality testing to identify the exact species and concentration of spores, which is crucial for determining the correct remediation protocol.

The fastest and most effective way to resolve this is through professional remediation. Our teams at Saniservice utilize industrial-grade HEPA filtration units to contain the area, safely remove the contaminated materials, and apply EPA-approved antimicrobial treatments. Crucially, we will also diagnose and advise on the necessary ventilation or dehumidification solutions to prevent recurrence, a critical step in our climate.

For immediate consultation and to schedule an inspection, please call our experts at 800-MOLDS (800-66537) or email hello@saniservice.com.
Posted by Sani Admin
Answered on March 28, 2026 12:23 pm