5 Steps to Kill Sewage Smell in Bathroom

How to get rid of sewage smell in bathroom

Have you ever walked into your bathroom only to be greeted by a foul odor emanating from the sewage system? This not only creates an unpleasant experience, but also raises concerns about safety and the cleanliness of your living space. In this article, we will explore the factors behind these odors, specifically the sewage smell in bathrooms, and provide remedies to address these unpleasant issues.

Why Bathroom Odor

Your bathroom may smell like the sewer as a result of a few different problems, so you’ll need to put some effort to find the source. Once you’ve determined the source of the sewage smell in bathroom, doing the necessary repairs on your own should be simple.

The unpleasant and frequently offensive stench that comes from sewage systems, including pipes, drains, and sewage treatment plants, is known as sewer odor.

It often happens when organic debris in wastewater decomposes, releasing gases such as hydrogen sulfide and methane, both of which have potent, repulsive scents. Sewer odor may also indicate obstructions, leaks, or insufficient ventilation in the sewage system. 

Common Cause for Bathroom Sewage Smell

A broken seal around the toilet:

A toilet’s wax or plaster ring might leak water or other waste, which encourages the growth of irritating bacteria.

A clogged roof vent for the plumbing:

Ventilation systems designed exclusively for plumbing are present in buildings. They are designed to allow plumbing systems to release sewage odor. If a building’s vent is blocked, smells cannot escape and begin to accumulate inside the building.

A broken drain pipe:

Sewage may spill immediately under the building if a pipe for drainage is damaged, degraded, or broken, rather than being carried away from the structure. Despite being an uncommon source of sewer gas, it can occur in old drains or during very unstable occurrences like tremors. This development can result in sewage smell in bathroom if not addressed.

Broken Drain Pipe

Health Effects of Sewage Smell in Bathroom

What effects can sewage gas exposure have on your health? Long term exposure to sewage gas can cause a number of health problems.

  1. Eye discomfort
  2. Respiratory issues
  3. feeling dizzy
  4. disorientation

High concentrations of sewage gas can occasionally cause medical issues. Long-term exposure to sewage gases can result in feeling dizzy, disorientation, and, due to the harmful effects of hydrogen sulfide, even death. Unexpected construction can cause a blast.

Gases from the sewage, particularly hydrogen sulfide, can cause eye discomfort, respiratory issues, and weariness when inhaled.

Given the above health effects, it is essential for you to deal with the unfriendly sewage smell right away.

Additionally, when the seal that excludes sewage gases has been broken, airborne bacteria can enter, making you defenceless against microbes that live in sewers.

For your health and safety, it is essential to locate and eliminate the cause of the sewage smell in bathroom.

What causes sewer gas to enter your bathroom?

Sometimes a restroom might serve as an unintentional entrance for sewer gas. Sewer gases can seep into your bathroom through a variety of channels, including your shower drain, bathroom sink, and even a simple pipe.

5 Steps to get rid of Sewage Smell in Bathroom:

We’ve listed 5 main steps to prevent and remedy sewage smell in bathroom permanently. These steps have also been further explained.


1. Clean regularly to prevent buildup.

2. Ensure proper ventilation.

3. Use drain covers and avoid clogging.

4. Maintain toilets and seals.

5. Fix any plumbing leaks.


1. Clean drains with appropriate products.

2. Replace a damaged wax ring if necessary.

3. Check and repair the bathroom’s ventilation.

4. Install P-traps to block sewage gases.

Regular Cleaning of Bathroom:

There is a high possibility of your bathroom becoming a haven for unwanted odors, bacteria, and fungi if not regularly cleaned. To prevent this buildup, it is advisable to carry out a deep cleaning of bathrooms at least weekly.

Regularly Bathroom cleaning
Regularly Bathroom cleaning. Diyhomeskills.com

Ensure that sinks, toilets, showers, and other high-traffic areas are cleaned periodically at least weekly. In addition. Make sure you sweep the floor, wash drain covers, and disinfect the faucets. You can read more tips on bathroom cleaning from goodhousekeeping.com. Regular cleaning will help you to get rid of sewage smell in bathroom.

Proper ventilation.

The importance of adequate ventilation in your bathroom can not be over-emphasized. Aside from acting as a passage to expel harmful sewage smell in bathroom, it also helps to prevent excess moisture from accumulating in your bathroom.

According to a post by Mira Shower, adequate ventilation helps in the following ways: prevention of damps and mould, which have adverse health implications and complications like asthma and skin irritation like eczema. Extend the lifespan of your bathroom as you would not have to redecorate every time. Good ventilation also helps to reduce condensation.

There are many ways to improve bathroom ventilation. The most common method to achieve this is keeping windows open, and installing an extractor fan. An extractor fan pulls moisture and harmful smells out of the bathroom and vents it with fresh air from the outside.

There are different types of extractor fans ranging from simple to high tech extractor fans with sensors and timers.

Use drain covers and avoid clogging.

If you’ve ever had a clogged drain caused by long hair or what have you, then you would appreciate the importance of drain covers. Clogging of drains causes blockage which results in the accumulation of germs causing sewage smell in bathroom, bacteria, and fungi, among others. To avoid this unpleasant experience, installing drain covers would be the smartest decision to make as they can easily be removed, cleaned, and returned. Very simple.

Bathroom Drain Cover
Bathroom Drain Cover. DIYhomeskills.com

You should make sure to clean the drains regularly to remove any blockage. This can be done using a drain snake or plunger. A drain snake is a long, flexible, rubber material you can insert in drains to reach, break, and pull out any blockage materials that may be causing the sewage smell in bathroom. If you have difficulty pulling out the clog, you might want to call the attention of professionals who have specialized tools and techniques to address the toughest blockages.

You can also use hot water to break down any debris clogging your drainage. We suggest you apply due care when dealing with hot water as this could cause body injury or damage if not carefully applied.

Maintain toilets and seals.

Have you ever noticed a collection of water around the base of your toilet seat? That could be one of the root causes of the sewage smell in bathroom. The collection of water could mean your toilet is leaking and needs to be sealed urgently. In some cases, the water might be a result of condensation in the toilet bowl. In other cases, it could be caused by loosely attached toilet bolts or faulty toilet seals.

The toilet seal is a wax ring that seals the sewer pipe against the toilet base aiding the free flow of sewage. These seals can deteriorate over time, resulting in water leaks around the toilet base. Identifying the real cause of the leak would help you in implementing appropriate measures.

Fixing[u1] is very simple and can be completed by yourself or a professional in less than an hour. But we suggest you seek a professional service.

Fix any plumbing leaks.

Identifying and fixing any other leaks could help to get rid of sewage smell in bathroom. Depending on how severe the leak is, we think you might be able to temporarily fix it yourself if you have the right tools. If you decide to fix a water leak in your bathroom, you can follow these simple steps.

  • Turn off the water supply or source first,
  • Drain the tap before applying any sealant.
  • Identify the main cause of the leak.
  • Apply plumber tape on the leak
  • Wrap the tape around the pipe until it is completely sealed
  • Apply epoxy paste on any leaking spot and leave to dry for about 30 minutes.

sewage smell in bathroom. seeking expert service.

Expert Service

When should you get a sewer inspection? It might be time to bring in the experts if you’ve tried every fix but you still have the sewage smell in bathroom. Any underlying problems can be found via a sewer scope check, guaranteeing that the odor is permanently eliminated.


A shrivelled Ptrap, a blocked or damaged sewer vent, or a pipe problem are only a few causes of a sewage smell in bathroom. You should maintain the Ptrap, make sure there is enough ventilation, and inspect the pipes for any spills or stops in order to fix this problem. If the scent persists, it is wise to get advice from a knowledgeable handyman to identify and pinpoint the concealed problem. Regular maintenance and a little consideration for sewage odors are essential for a sanitary and odor free bathroom.


Why is there an occasional sewage odor in my bathroom?

There are a number of reasons why your bathroom could smell like sewage. Dry P-traps, which act as seals to prevent sewer gases from entering your home through your drains, clogged vent pipes, sewer line issues, damaged toilet seals, and leaking pipes are a few prevalent causes. Try filling dry P-traps with water, looking for obstructions in the vent pipes, checking your sewer line, replacing the toilet seals if necessary, and mending any leaky pipes to solve the issue. Consult a skilled plumber if the problem continues.

Is it possible for Sewer Gas to Enter Drains?

Sewer gas odors can undoubtedly rise through pipelines. In the unlikely event that the water in a waste snare evaporates or is knocked loose, the seal created by the water is broken, allowing sewer gases to seep upward into the building. This may really result in unpleasant odors and dangerous health dangers, such as the release of both hydrogen and methane sulfide.

Is swage dangerous for you as a person?

The smell of sewage itself isn’t destructive, yet it can demonstrate the presence of unsafe substances like microscopic organisms, infections, and gases like methane and hydrogen sulfide. Openness to these substances can be harmful to our wellbeing. In the event that you experience areas of strength for a smell, it’s fundamental to recognize and address the source to forestall wellbeing dangers and expected harm to the climate.

What Can I Do About Stinky Bathroom Pipes?

You must first locate the smell’s source in order to get rid of smelly bathroom pipes. A typical arrangement entails using a combination of baking soda and vinegar to completely clean the channel. Pour a portion of a cup of baking soda into the channel, then add a portion of a cup of vinegar. Wait ten to fifteen minutes before flushing with warm water. This cycle can assist in getting rid of odors brought on by minute organisms and dirt buildup.

Why Does My Bathroom Stink Like Sewage, But There’s No Break?

Without a break, your bathroom could seem like sewage due to a few factors. The most common reason is that your P-traps’ evaporated water seals allow sewer gases to enter your house. Different causes include blocked vent pipes, loose sealing around latrine bases, and blocked channels. Fixing this would help to get rid of sewage smell in bathroom

What Makes the Shower Smell Like Sewage?                      

Typically, a shrivelled Ptrap, which is designed to contain a small amount of water, acts as an impediment against sewer gases in the shower, giving off the unpleasant sewage smell. The Ptrap may dry out due to factors like inconsistent use, spillage, or disappearance, which will then let the drainage of these foul gases.

How Can I Avoid the Abhorrent Smell in the Bathroom?

Increase ventilation in a bathroom by using exhaust fans or opening windows to avoid unpleasant sewage smell in bathroom. Focus on the lavatory and sink when using a reliable sanitiser to consistently improve your restroom. For a beautiful aroma, use deodorizers or medicinal oils. Additionally, control stickiness by drying up moist areas to prevent mould odor.

Get rid of ants in your home with these simple steps.

Leave a Comment

Your email address will not be published. Required fields are marked *

Scroll to Top
Seraphinite AcceleratorOptimized by Seraphinite Accelerator
Turns on site high speed to be attractive for people and search engines.