Gas Leak Detection

Symptoms of a Natural Gas Leak

man experiencing physical symptoms of a natural gas leak

Natural gas is safe and convenient to use. However, while rare, natural gas leaks can happen anywhere and anytime, so it is important to be aware of the signs.

Natural gas leaks are one of the things you can’t detect right away, and in some cases, not at all. There are various signs indicating something amiss, and understanding how to detect a natural gas leak and when it’s time to call for professional help can keep you, your family, and your property out of harm’s way.

In this blog, we’ll go over the most common natural gas leak symptoms and signs to stop a potential hazard in its tracks. 

Physical Symptoms of a Natural Gas Leak:

Small natural gas leaks may not smell, go unnoticed and can even affect your health and the health of those in your home. Inhaling too much natural gas can lead to lightheadedness, dizziness, and headaches. You may have a gas leak if you experience other symptoms, including:


  • Irritation in the eyes and throat 
  • Tinnitus or ringing in the ears 
  • Nausea 
  • Difficulty breathing 
  • Drowsiness 
  • Nosebleeds 
  • Flu-like symptoms 


Natural gas leaks can also affect household pets and nearby animals. Their symptoms can include:


  • Disorientation 
  • Changes in mood or behavior 
  • Lethargy 
  • Difficulty breathing 
  • Loss of appetite 
  • Vomiting 
  • Red or watery eyes 


Environmental Symptoms of a Natural Gas Leak: 

Leaks can become an undetectable threat in your home without the right precautions, like proper natural gas detection. However, uncontained natural gas can still significantly impact your surroundings. 

The environment can help you detect a natural gas leak by noticing the signs. Some examples may include:


  • A hissing or whistling sound near a gas line 
  • A white cloud or dust cloud near a gas line 
  • The smell of sulfur or rotten eggs 
  • Bubbles in standing water or muddy puddles 
  • A broken or fractured gas pipe 
  • Browning or dead houseplants 


The longer you’re exposed to a natural gas leak, the worse symptoms can become, opening you up to additional health problems. 

Related post: The Hidden Dangers of Natural Gas Leaks: How a Gas Detector Can Save Your Life

Potential Carbon Monoxide Poisoning Symptoms 

A natural gas leak can lead to carbon monoxide (CO) production and lead to poisoning if the leak isn’t addressed quickly enough. CO poisoning symptoms look similar to those of a natural gas leak and require emergency medical treatment. 

CO poisoning symptoms include:


  • Pink skin and red lips 
  • Fatigue  
  • Headaches 
  • Loss of muscle control 
  • Nausea  
  • Abdominal and chest pain


If you notice any of these symptoms, physical or environmental, it’s vital for everyone to exit the home immediately and contact a gas line repair technician. 

Related post: The Role of Utility Companies in Preventing Natural Gas Leaks

Be Prepared Before a Natural Gas Leak Ever Occurs 

When it comes to natural gas leaks, early detection is crucial. Although they’re rare, ongoing exposure to natural gas can be risky and have lasting effects. The good news is that most leaks are preventable as long as everyone knows what to do if one is suspected or confirmed.  

Education about natural gas and regular inspections are two of the best ways to ensure safety and preparedness in case of a leak. Remember to always be aware of the signs of unsafe natural gas appliances and potential leaks elsewhere in your home. However, natural gas detectors are the most reliable way to determine natural gas leaks than these subjective symptoms. 

A natural gas detector is an essential home safety tool that provides peace of mind and helps keep you and your neighbors safe by sounding an alarm before natural gas reaches the explosive range. With advanced sensitivity, your home is protected 24/7, even when your senses can’t detect a natural gas leak.  

Ready to provide your home with the best natural gas protection? We’re always happy to connect! Feel free to email us at or visit us at the Denova Detect website.

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