Is shower mold causing my sinus headaches?« Back to Previous Page

That black and green mould under the silicone is a very likely cause of your sinus headaches and congestion. These symptoms are a common reaction to mould spores, which become airborne during and after your shower, especially in the enclosed, humid space of a bathroom.

In Dubai's climate, this is a persistent issue. Year-round AC creates a significant temperature differential between cold air and warm, humid bathroom air, leading to massive condensation on walls and behind sealants. This trapped moisture, with no sunlight to dry it, creates an ideal breeding ground for mould.

Simply scrubbing the visible mould is a temporary fix; the hidden fungal roots (hyphae) within the porous grout and behind the sealant will regrow. For a lasting solution, the contaminated silicone sealant must be completely removed. The area beneath needs to be professionally cleaned, dried, and treated with a mould-inhibiting solution before applying new, high-quality sealant. Improving bathroom ventilation is critical—run the exhaust fan for at least 30 minutes after showering.

Given the symptoms you're experiencing, a professional inspection is wise. They can assess the extent of the growth behind surfaces and identify if the spores have spread into the AC system, which is common and can circulate them throughout the apartment. Companies with their own microbiology labs can identify the specific mould type, which helps in understanding the health risk and tailoring the remediation process.