could mold under stairs cause my kids' cough?« Back to Previous Page

Yes, mold growth in a confined space like a storage cupboard under the stairs can absolutely be the cause of your children's persistent coughs and sore throats. The black, fuzzy spots are a clear sign of an active colony, and the damp feeling you've noticed confirms the humidity problem that allows it to thrive. When disturbed—like when you pulled the clothes out—mold releases microscopic spores and fragments into the air, which are then inhaled and can irritate the respiratory tract, leading to those exact symptoms.

In Dubai's climate, this is a common issue. While we're known for arid heat outdoors, indoor areas with poor ventilation—especially those against cooler exterior walls or in AC-shadow zones—are highly prone to condensation and dampness. The recent weather shift can exacerbate this. The under-stairs cupboard is a classic problem area as it's often sealed, unventilated, and used for storing organic materials like cotton, leather, and paper that mold consumes.

Your immediate action should be to isolate the area. Keep the cupboard closed and restrict your children's access to that part of the house. Do not attempt to clean it yourself with bleach or other household products, as this can aerosolize the spores and worsen the problem. The contaminated textiles should be professionally cleaned or, in severe cases, discarded.

For a situation like this with clear health symptoms, a professional inspection is strongly advised. They can identify the moisture source (often condensation or a minor seepage) and assess the extent of the growth, which may be hidden inside walls or on the structure itself. Proper remediation involves containing the area, using HEPA filtration to capture airborne spores, and removing the contaminated materials. Ultimately, solving the coughs requires removing the mold source and then correcting the humidity issue, often with targeted dehumidification or improved ventilation, to prevent it from returning.