Can smelly drains make you sick?

Author: Stanley Goldner  |  Last update: Friday, June 12, 2026

Mainly among these are ammonia and hydrogen sulfide. Though not entirely toxic, long exposure to sewer gas can cause serious respiratory problems. Enough of it can even cause symptoms of sewer gas poisoning. The most basic way of telling if you have a sewer gas leak is its smell.

Can you get sick from breathing in sewage smell?

The Dangers of Hydrogen Sulfide, AKA “Sewer Gas”

A naturally occurring gas, hydrogen sulfide, or “H2S,” is toxic at high concentrations. Prolonged or acute exposure to the gas can cause eye irritation, headache, nausea fatigue, and – in extreme cases – death.

What are the symptoms of sewage sickness?

Germs and parasites may cause diarrhea, fever, cramps, nausea, vomiting, headache, weakness, or loss of appetite.

Is it safe to stay in a house that smells like sewer?

Yes, the smell from a backup sewer in the basement can potentially harm you in several ways: Health Risks from Sewage Exposure: Sewage contains harmful bacteria, viruses, and parasites that can cause infections or gastrointestinal illnesses. Prolonged exposure to sewage can increase the risk of health problems.

How long does it take for sewer gas to make you sick?

Sickness from sewage can start in 24-48 hours, but it can take longer.

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How to recover from sewer gas exposure?

Treat symptoms such as headaches, nausea, and dizziness with over-the-counter medications recommended by healthcare professionals. Rest in a well-ventilated area and stay hydrated to aid the body in eliminating toxins. Use a cool compress or cold pack to alleviate discomfort associated with headaches or nausea.

Is it safe to stay in a house with sewage backup?

Sewage backup is a serious issue that requires immediate attention and professional intervention. Due to the health hazards associated with sewage contamination, it is not safe to stay in a house with sewage backup.

How to tell where sewer smell is coming from?

Where is the odor coming from? Check your home's drains, toilets, and plumbing fixtures for any signs of leaks or damage. Look for cracks, loose connections, or broken seals allowing sewer gas to escape. Additionally, inspect your sewer vents on the roof or outside your home for any obstruction or damage.

What happens if you smell sewage for too long?

Yes, exposure to sewer gas can have many negative health effects. Signs or symptoms of sewer gas exposure may include tiredness, irritated eyes, coughing, nausea, shortness of breath, headaches, irritability, memory issues, or dizziness.

Can a leaking sewer pipe make you sick?

Broken sewer pipes can release illness-causing bacteria or raw sewage, which can be detrimental to your health if it makes its way into your body through open wounds, the eyes, or the mouth. This can result in illnesses such as: E-coli.

What are the symptoms of E. coli?

coli can cause diarrhea. Some kinds can cause bloody diarrhea, watery diarrhea, or both. Some of these E. coli can cause other symptoms, including stomach cramps, vomiting, and fever.

How do you test for sewer gas poisoning?

There's no medical test for exposure to sewer gas.

Are drain smells harmful?

Drain smells that are not handled quickly may get worse over time. Sewer gases are also harmful to your health and wellbeing – so you should not have any hesitation in fixing the issue. Potential problems include the following: Cough.

What are the symptoms of hydrogen sulfide?

At low levels, hydrogen sulfide causes irritation of the eyes, nose, and throat. Moderate levels can cause headache, dizziness, nausea, and vomiting, as well as coughing and difficulty in breathing. Higher levels can cause shock, convulsions, coma, and death.

What absorbs sewer smells?

Vinegar, vegetable oil, or mineral oil is also a great drain odour eliminator. These substances work much in the same way as baking soda but have the added benefit of being a particularly powerful cleaning agent.

How much does a sewer smoke test cost?

But what does a sewer smoke test cost? The answer varies depending on your location and the complexity of your plumbing system. Generally, you can expect to pay between $150 and $500 for a sewer smoke test.

What is a peppermint test in plumbing?

Remove the cap covering the waste pipe and pour two ounces of peppermint oil down it. Wait, maybe see how Bob is doing. Pour the 10 quarts of boiled water slowly down the pipe and put the cap back on. Carefully climb down the ladder and wait while Bob checks for leaks.

Can sewer gas make you sick in your sleep?

Consequently, you'll experience symptoms related to lack of oxygen, such as dizziness, headache, nausea, and unconsciousness. At higher sewer gas levels or low oxygen concentration (less than 12%), exposure to methane gas may lead to death without warning. Yes, sewer gas can kill you in your sleep.

How long does it take to recover from sewer gas exposure?

Exposure to lower concentrations can cause eye irritation, a sore throat and cough, shortness of breath and fluid in the lungs. These symptoms usually go away in a few weeks after exposure ends.

Can a clogged drain make you sick?

When a drain becomes blocked or clogged it can lead to stagnant water forming- which is a breeding ground for all kinds of hazardous bacteria. If these pathogens, which come from raw sewage, are ingested then you're likely to be hit with illness.

Does insurance cover sewage back up?

While homeowners insurance protects you against some forms of unexpected water damage, water back-ups and sump pump overflows are usually not covered. You may purchase optional water back-up coverage that may pay for damages in the case of sewage back-up or a malfunctioning sump pump.

Is sewer backup smell harmful?

The health risks linked to sewer gas exposure include: Hydrogen sulfide poisoning: Hydrogen sulfide smells like rotten eggs, even in low concentrations. Exposure to low levels of hydrogen sulfide can cause eye and respiratory irritation.

How to sanitize after a sewer backup?

Wash contaminated surfaces and objects with warm, soapy water and disinfect with a bleach and water solution made of no more than 1 cup of bleach per 1 gallon of water. For objects that would be damaged by bleach, use a home or laundry disinfectant. Make sure to read and follow label instructions. Do not use ammonia.

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