Is black mold causing our sinus headaches and cough?« Back to Previous Page

The AC in our apartment in Jumeirah Village Circle has been blowing out a damp, earthy smell for the past month. My husband and I have both had constant sinus headaches and a dry cough that just won't go away, and it's definitely worse when we're at home. I finally pulled the vent cover off and the inside is covered in a scary-looking black fuzz. Could this be causing our health issues and what should we do first?
Posted by Patricia Miller
Asked on May 11, 2026 5:45 pm
Yes, the black fuzz in your AC and your symptoms are very likely connected. In Dubai's climate, AC units are a primary source of mold exposure because constant condensation creates a damp environment where mold thrives. The damp, earthy smell is a classic indicator of microbial growth.

The sinus headaches and persistent dry cough you're describing are common reactions to inhaling mold spores and microbial fragments circulated by the AC. These symptoms often worsen at home because that's where exposure is concentrated. While not all black mold is the infamous "toxic black mold" (Stachybotrys), many common species like Aspergillus or Cladosporium can cause these significant irritant and allergic reactions.

Your first step is to immediately stop using that AC unit to prevent further circulation of spores. Contact your building management; Dubai Law No. 11 of 2013 and the Dubai Municipality's Housing & Health Regulations require landlords to address conditions that pose a health hazard, which this qualifies as. They are typically responsible for the cleaning and maintenance of central AC systems.

Do not attempt to clean it yourself, as disturbing the growth can release a large volume of spores. You need a professional inspection that includes air and surface sampling. The inspection should identify the mold species and the moisture source, which is crucial for effective remediation. In many JVC apartments, leaks in the chilled water piping or clogged drain pans are the root cause. A proper remediation will involve containing the area, using HEPA vacuums, and applying antimicrobial treatments, followed by verification testing to ensure spore counts have returned to normal ambient levels. Only lab testing can confirm the specific species and the full scope of the problem.
Posted by Sani Admin
Answered on May 12, 2026 5:02 pm