How to permanently remove toxic mold in bathroom?« Back to Previous Page

We've lived in our Jumeirah apartment for 2 years and just noticed a big patch of black mold growing behind the toilet where it meets the wall. Since it started getting really humid, my husband has been waking up with a stuffy nose and itchy eyes every morning. I'm really worried this is the cause and that it's making us sick. What's the fastest and most effective way to get rid of it for good, and should we see a doctor about these symptoms?
Posted by Wei Lee
Asked on April 15, 2026 1:00 pm
Black mold in bathrooms is a common issue in Dubai due to the high humidity and condensation from showers and year-round AC use. The symptoms you describe—stuffy nose and itchy eyes—are a typical allergic reaction to mold spores. A doctor can confirm if it's allergy-related and may recommend an antihistamine.

For immediate action, clean visible mold with a solution of white vinegar or a dedicated mold remover, scrubbing thoroughly. However, permanent removal requires addressing the moisture source. In your case, the location behind the toilet suggests a possible leak from the seal or condensation from the cold water tank. Simply cleaning the surface will not prevent it from returning if there's hidden moisture or a leak in the wall.

For a patch of significant size and due to the health symptoms, a professional assessment is strongly recommended. They can identify the exact moisture source, assess any hidden growth within the wall cavity, and perform the remediation properly. In Dubai, look for a provider that uses a moisture meter and thermal imaging to find hidden dampness, follows DHA-approved disinfection protocols, and can provide a post-remediation verification test from an independent lab to confirm the mold and moisture issues are resolved. This is the only way to ensure it is truly removed for good.
Posted by Sani Admin
Answered on April 17, 2026 7:22 am