The Dangers of Carbon Monoxide Poisoning in Pets

In this guide

Carbon monoxide is invisible, odourless, and genuinely dangerous, which makes it one of the easiest hazards to overlook until a pet, or a person, is already unwell. It carries particular relevance in India around two very ordinary household habits: heating water with a gas geyser in a small, poorly ventilated bathroom, and running a generator or angeethi indoors during a power cut or a cold winter night.

How carbon monoxide harms the body

Carbon monoxide binds to haemoglobin, the molecule in blood that normally carries oxygen, far more readily than oxygen itself does. This means that even moderate carbon monoxide levels can starve the body's tissues of oxygen, affecting the brain and heart first and most severely.

Common sources in Indian homes

• Gas geysers installed in small, badly ventilated bathrooms, one of the most common causes of carbon monoxide poisoning in Indian households generally
• Portable generators run indoors or in a closed garage during power cuts
• Charcoal or coal angeethi and sigri used for heating in winter, particularly in North India
• A car left running in a closed garage
• House fires and smoke inhalation
• Faulty or poorly maintained gas stoves and water heaters in enclosed spaces

Symptoms of carbon monoxide exposure

• Lethargy and weakness, often the earliest and most easily missed sign
• Vomiting and drooling
• Confusion or disorientation
• Unusually bright red gums
• Difficulty breathing
• In severe exposure, seizures, collapse and coma

Why pets can be an early warning sign

Because dogs are often smaller and closer to the ground than the adults in a household, they can sometimes show signs of carbon monoxide exposure before people do. A normally energetic dog that suddenly seems tired, wobbly or nauseous in a room with a running geyser, heater or generator is worth taking seriously, both for the dog's sake and as a possible signal that people in the same space are at risk too.

What to do

If you suspect carbon monoxide exposure, get your dog and everyone else out into fresh air immediately, before doing anything else. Do not go back inside until the source has been identified and the space ventilated. Get your dog to a vet for oxygen therapy and monitoring, since carbon monoxide can remain in the bloodstream for hours and cause delayed complications even after the dog seems to be recovering in fresh air.

Prevention

Never run a generator indoors or in an attached garage, even with a door or window open. Ensure bathrooms with gas geysers have proper ventilation, and consider having gas installations checked periodically for leaks or faulty combustion. Avoid using charcoal or coal heaters in closed bedrooms overnight. A carbon monoxide detector, increasingly available and affordable in India, is a worthwhile investment for any home using gas or solid fuel appliances.

Article content © Ravi Teja. All rights reserved.