Could hidden mold in my UAE bathroom cause our coughs?« Back to Previous Page

Yes, hidden mold like you've described is a very likely cause of the coughing and allergy symptoms in your household. In the UAE's high-humidity climate, this scenario is unfortunately common, especially in windowless bathrooms with poor ventilation like many in Marina.

The black, fuzzy growth under silicone sealant is often Cladosporium or Stachybotrys (black mold), both of which are known respiratory irritants. When the extractor fan is weak, these spores become aerosolized with steam from showers and circulate throughout your apartment, directly impacting air quality. For children and those with sensitivities, this constant low-level exposure frequently manifests as a persistent cough, congestion, and worsened allergies.

This is a systemic issue in Dubai due to condensation from year-round AC use creating constant moisture, which gets trapped in enclosed spaces. The first step is to stop the moisture source. Run the extractor fan for at least 30 minutes after every shower and consider a dehumidifier. Do not attempt to clean significant hidden growth yourself with bleach, as this can aerosolize a high concentration of spores. Disturbing it without proper containment risks spreading it further.

For a case of this nature, where the mold is concealed and already linked to health effects, a professional assessment is strongly advised. They can properly remove the contaminated sealant, treat the underlying area, and verify with moisture meters that the wall itself is dry. A post-remediation verification test, ideally from an independent lab, is the only way to confirm the allergen source has been effectively resolved.