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HomeLifestyleHome and GardenMixing toilet cleaners can release toxic gas and cause lung damage; doctor gives emergency patient case as example

Mixing toilet cleaners can release toxic gas and cause lung damage; doctor gives emergency patient case as example

Dr. Ankit Bhatia, in his new post on Instagram, revealed how mixing two toilet cleaners landed a woman in the emergency room. He warned against combining cleaning agents, adding that they can cause lung damage and other health issues.

December 09, 2025 / 11:32 IST
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How to clean toilets: Never mix toilet cleaners with bleach, acids, or other cleaners. Doing so produces toxic gases, which can cause harm, especially in closed spaces (Image: Pexels)

When it comes to cleaning the house, one should never really get too ambitious or go overboard by zealously mixing cleaners or combining them with other cleaning agents without prior knowledge.

Dr Ankit Bhatia, Senior Consultant in Pulmonology and Sleep Medicine, shared a scary incident where a patient landed in the emergency simply because she mixed two different toilet cleaners.

What happens when you mix toilet cleaners


While this may seem like a harmless act, Dr Bhatia added that when she was cleaning the bathroom and mixed the two cleaners, toxic fumes immediately filled the space. Within minutes, she became breathless and collapsed and was rushed to the emergency department. “The fumes produced chlorine gas, which triggered Reactive Airway Dysfunction Syndrome (RADS) — a severe irritation and spasm of the airways,” the pulmonologist added.

Also read | Dirtier than toilet seats? Why experts recommend you should wash your shoes

How to be safe while cleaning the toilet


Dr Bhatia advised taking the following precautionary measures when cleaning toilets:

1. Never mix toilet cleaners with bleach, acids, or other cleaners. Doing so produces toxic gases, which can cause harm, especially in closed spaces. One wrong mix can permanently injure your lungs.

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2. Use only one product at a time. It’s best to keep it safe and avoid experimenting without consulting an expert.

3. Read labels carefully and keep the windows and door open when you begin cleaning.