Is black mold causing our headaches and stuffy noses?« Back to Previous Page

The AC in our bedroom has been leaking a bit for a couple of months and now I've found a patch of black mold in the corner behind the wardrobe. Lately, my husband and I have been waking up with stuffy noses and headaches that clear up after we leave for work. Could this mold be the cause of our symptoms, and how urgent is it to get it professionally cleaned?
Posted by Sandra White
Asked on March 23, 2026 8:08 am
Based on your description, it is highly probable that the black mold growth from the AC leak is the direct cause of your recurring headaches and nasal congestion. This is a classic presentation of mold-related health effects, medically referred to as mold sensitization or allergic fungal sinusitis. The spores and microbial volatile organic compounds (mVOCs) released by actively growing colonies are airborne irritants. When inhaled during sleep, they trigger an inflammatory response in the respiratory tract, leading to the symptoms you describe. The fact that your symptoms resolve after leaving the contaminated environment is a strong indicator of a sick building syndrome (SBS) issue originating in your bedroom.

The UAE's climate, particularly the high humidity and constant AC use, creates a perfect environment for mold. AC units that leak provide the persistent moisture necessary for proliferation. The species commonly referred to as "black mold" (often Stachybotrys chartarum) is of particular concern due to its potential to produce mycotoxins, though other species like Aspergillus and Cladosporium can cause identical allergic reactions.

This situation requires a professional and urgent response. Disturbing the colony yourself through cleaning attempts can aerosolize a massive amount of spores, drastically increasing your exposure and potentially spreading the contamination throughout your home. Furthermore, the visible patch is likely only the fruiting body; the hyphal roots can penetrate deep into building materials like drywall and insulation.

We strongly recommend you cease using the affected AC unit and arrange for a professional inspection immediately. Our certified experts at Saniservice conduct comprehensive assessments using moisture meters, thermal imaging, and air/surface sampling to identify the full extent of the contamination and the specific species present. This evidence-based approach is critical for formulating an effective remediation plan that complies with Dubai Municipality guidelines, ensuring the problem is resolved at its source to protect your health.

For immediate assistance, please call our experts at 800-MOLDS (800-66537) or email hello@saniservice.com.
Posted by Sani Admin
Answered on March 24, 2026 10:37 am