Is AC mold causing my toddler's cough?« Back to Previous Page

The AC in our apartment in Jumeirah seems to be leaking a bit, and I’ve started noticing black spots around the vent in my toddler’s bedroom. She’s had a persistent runny nose and a cough for the last two weeks that just won’t go away, and I’m starting to get really worried it’s connected. How dangerous is this type of mold for small children, and should I take her to a doctor for testing or just focus on getting the AC cleaned immediately?
Posted by Shweta Nair
Asked on April 23, 2026 1:05 pm
The black spots around the AC vent are a significant red flag, especially with your toddler's persistent symptoms. In Dubai's climate, where ACs run constantly and create condensation, this is a common source of mold growth. The combination of high humidity and a small water leak creates the perfect environment for it to thrive.

For small children, mold exposure primarily acts as a powerful irritant and allergen. The most common reactions are precisely what you're describing: a stubborn runny nose, congestion, and a cough that lingers because the exposure is continuous. While most residential AC mold is not toxigenic, any species can trigger these allergic responses and respiratory irritation, which are more acute in infants and toddlers due to their developing systems.

You should absolutely take her to a pediatrician to rule out other causes and get her symptoms treated. A doctor can confirm if it's an allergic response. However, treating the environment is just as critical as treating the person. Simply cleaning the visible spots won't solve the problem if the leak and moisture inside the AC unit itself aren't addressed.

Focus on both actions concurrently. Get a professional inspection of the AC unit to identify the source of the leak and the full extent of the mold growth, which is often hidden inside the ductwork or drip pan. A proper remediation will fix the leak, clean the entire system with specialized equipment, and verify the results. For a child's bedroom, this is not a DIY project; improper cleaning can aerosolize the spores and worsen the problem. The Dubai Municipality has clear guidelines on indoor air quality, and a reputable provider will follow these protocols.
Posted by Sani Admin
Answered on April 25, 2026 3:28 am