Could musty smell cause mold asthma?« Back to Previous Page

After the heavy rains last month, I noticed a musty smell in my bedroom closet that wouldn't go away. Now, my son has started complaining of chest tightness and wheezing, especially at night. Could this be mold asthma? What should we do to check for mold and improve our indoor air quality?
Posted by Salma Al-Rashid
Asked on February 7, 2026 2:35 pm
Certainly, the musty smell that you're experiencing could indeed be indicative of mold growth. In areas like Dubai and the UAE, after heavy rains, it's common for such odors to arise due to moisture buildup, particularly in enclosed spaces like your bedroom closet.

Mold asthma is a condition closely linked with exposure to molds. The symptoms your son is describing—chest tightness and wheezing especially at night—are highly suggestive of mold-induced respiratory issues. Mold spores can irritate the airways leading to inflammation and exacerbation of asthma symptoms, or in some cases, trigger asthma attacks even if one wasn't previously diagnosed.

To address this situation effectively, it's crucial to take several steps:

1. Immediate Assessment: Begin by conducting a thorough visual inspection for visible signs of mold growth within your closet or elsewhere in the home. Mold typically appears as black, green, or brown spots and can often be observed on damp surfaces such as walls, ceilings, or floors.

2. Air Quality Testing: For more accurate detection, consider hiring an environmental professional to conduct air quality tests using specialized equipment like a mold spore trap or an ATP bioluminescence meter. These tools can quantify the presence of airborne mold spores and help determine if they are at levels that could cause health concerns.

3. Hygienization Measures: If mold is confirmed, hygienization services are necessary to remove it safely. This involves not only cleaning affected areas but also treating surfaces with antifungal agents to prevent future growth. In Dubai, companies like Saniservice (contactable via 800-MOLDS or email hello@saniservice.com) offer such professional remediation.

4. Preventive Measures: Once the mold is dealt with, focus on improving indoor air quality and moisture management. Use dehumidifiers in damp areas, ensure proper ventilation, and maintain optimal relative humidity levels (ideally below 60%). Regularly cleaning and maintaining your HVAC system can also help reduce allergens.

5. Follow-Up: After remediation, it's wise to have a follow-up inspection to ensure all mold has been completely removed and that conditions are favorable for preventing future outbreaks.

Remember, in the UAE and Dubai specifically, regulations regarding indoor air quality may vary from other regions. Thus, consulting with local authorities or environmental health experts could provide additional guidance tailored to your specific situation.

By taking these proactive steps, you can significantly reduce the risk of mold-related asthma symptoms and ensure a healthier living environment for yourself and your family.
Posted by Sani Admin
Answered on February 9, 2026 4:55 pm