Could hidden mold be causing our family's cough and headaches?« Back to Previous Page

Yes, hidden mold can absolutely be the cause of your family's persistent coughs, sore throats, and headaches. The symptoms you describe are very common reactions to mold exposure, particularly in a confined space like a bedroom where you spend many hours. The recent high humidity in Dubai creates the perfect environment for mold spores, which are always present in the air, to settle and grow on any organic material—like dust, paper, or the cellulose in drywall—especially in a cool, dark, and poorly ventilated closet.

Given its location on an exterior wall, the issue is likely condensation. This occurs when the humid outdoor air meets the cold surface of an air-conditioned wall, creating dampness inside the cavity that you cannot see. The patch you found is likely just the visible portion.

For a situation like this, a simple wipe-down is insufficient and can aerosolize more spores. The wall cavity likely requires professional assessment and remediation. In Dubai, reputable remediation companies follow IICRC S520 standards for mold removal. They will contain the area, use HEPA filtration to capture spores, and physically remove the contaminated materials. Crucially, they should also identify and rectify the moisture source—often inadequate insulation on the cold wall—to prevent it from returning. After remediation, a third-party clearance test from a company with its own microbiology lab is the only way to verify the spore count in the air has returned to a normal, safe level. This diagnostic approach is key to resolving health concerns definitively.