Can a backed up sewer make you sick?

Author: Joe Lesch  |  Last update: Saturday, July 4, 2026

Any contact with a sewage backup is likely to make you sick. The infectious bacteria, viruses, fungi, and other contaminants can land you in the emergency room.

What are the symptoms of sewage sickness?

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

What are the symptoms of sewer poisoning?

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.

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.

Is it safe to sleep in a house with sewer gas?

In extremely high concentrations, hydrogen sulfide can cause loss of consciousness and death. Suffocation: High concentrations of methane in enclosed areas decrease the amount of oxygen in the air and can cause suffocation. Symptoms of a lack of oxygen include: Dizziness.

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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.

What happens if you breathe 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. Smell Sewer Gas in your building?

What are the symptoms of contaminated water poisoning?

13. What are the symptoms of water-borne illness? Symptoms may include diarrhea, cramps, nausea and possible jaundice and associated headaches and fatigue. Symptoms may appear as early as a few hours to several days after infection and may last more than two weeks.

Can sewer back up make you sick?

One of the most significant sewage backup in basement health risks is viral infections. Viruses like Hepatitis A, Norovirus, and Rotavirus can thrive in sewage-contaminated water. When exposed to such water, you run the risk of contracting viral infections that primarily affect the liver and gastrointestinal system.

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.

How to get rid of hydrogen sulfide in body?

Nitrite therapy (found in the cyanide antidote kit) has been suggested as a therapy for hydrogen sulfide exposure. Amyl nitrite is given by inhalation (for 30 seconds every minute until an intravenous line is established) followed by intravenous sodium nitrite (300 mg over absolutely no less than 5 minutes).

How to tell if you have sewer gas in your house?

Sewer gas, a noxious blend of chemicals released during the decomposition of human waste, is the culprit. The unmistakable stench of rotten egg smell is a telltale sign of a sewer gas problem.

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.

Can you get sick from breathing in sewage water?

Less oxygen to your lungs means a feeling of fatigue or tiredness. Dizziness: some dizziness may occur if you have been breathing in sewer gas for a period of time. You might feel lightheaded. Nausea: the smell of sewer gas can even cause enough discomfort to make you feel uneasy and may cause you to throw up.

What illness can you get from sewage?

The risks of mixing with sewage
  • Stomach upsets. Cause: Swallowing water contaminated with bacteria or viruses can cause stomach gastroenteritis – a.k.a. stomach upsets. ...
  • Skin infections. ...
  • Ear infections. ...
  • Eye Infections. ...
  • Sore throat. ...
  • Chest infections. ...
  • Hepatitis. ...
  • E.coli.

What are the 5 signs and symptoms of poisoning?

General symptoms of poisoning can include:
  • feeling and being sick.
  • diarrhoea.
  • stomach pain.
  • drowsiness, dizziness or weakness.
  • high temperature.
  • chills (shivering)
  • loss of appetite.
  • headache.

How long does it take for water poisoning to kick in?

Your body removes excess water through your pee. In a day, this equals about 32 to 64 ounces (about 1 to 2 liters). In some people, water intoxication symptoms can develop after drinking about a gallon (3 to 4 liters) of water over an hour or two.

How do you get rid of sewage breath?

Avoiding dehydration and good oral hygiene, including brushing and flossing, are important. Some mouthwashes, lozenges and toothpastes can assist in fighting halitosis. Gentle but effective tongue cleaning may also be required. A variety of tongue brushes and scrapers have been produced in recent years.

Can bad plumbing make you sick?

Poor plumbing may not be your first suspect behind a sudden illness. However, several ailments—including respiratory illnesses, allergies, hepatitis, and gastroenteritis—can stem from plumbing problems. Experts have linked leaky pipes, standing water, and sewage backup to such conditions in the past.

How to get sewer smell out of house?

The causes behind a sewer gas smell can be superficial or complex, depending on what is causing the odours to emanate from the drains or sewer lines. To eliminate sewer gas smell, you can use a combination of hot water, baking soda, vinegar, and even lemon to run through the drain to fix the problem.

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.

Is sewer backup smell harmful?

While unpleasant, most instances of a sewer gas smell do not pose a serious health risk. However, mild exposure to low concentrations of hydrogen sulfide present in sewer gas could cause irritated eyes, nose, or throat. If this is the case, leave the property until a professional arrives.

Is sewer backup an emergency?

Backed up sewer lines, line breaks, sewage odors, and overflowing manholes are considered an emergency. When a sewage backup is occurring, do not use your toilet, shower, washing machine, or other appliances that send water down a drain.

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