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Why does my poop smell like a sewer?

Author

John Castro

Published Jan 18, 2026

Malabsorption is also a common cause of foul-smelling stool. Malabsorption occurs when your body is unable to absorb the proper amount of nutrients from the food you eat. This generally occurs when there's an infection or disease that prevents your intestines from absorbing nutrients from your food.

Why does my poop have a sewer smell?

Many factors can cause stool to smell foul. Such factors include the food that people eat, their allergies, the medication they take, infections, and any underlying medical conditions. If a person suspects that a milk allergy is causing the problem, they should stop consuming milk and products that contain milk.

Why does my poop smell like sulfur?

Foods that are high in sulfate content such as veggies, dairy, eggs, and meat can cause poop that smells like rotten eggs. “Sulfur is a necessary component in our diet, and certain foods high in sulfates increase sulfur gas as the byproduct of foods being broken down,” he says.

What different poop smells mean?

Changes in stool odor can be caused by the foods you eat. Even extremely foul-smelling stools can be due to changes in your diet. However, abnormally foul-smelling stools may also be a sign of a disease, disorder or condition. Examples include celiac disease, Crohn's disease, cystic fibrosis, and intestinal infections.

What bacteria causes foul-smelling stool?

Key points about giardiasis. Giardiasis is an infection caused by a parasite called Giardia. It causes diarrhea. Symptoms include explosive, watery, greasy, foul-smelling stools, bloating, nausea, pain, gas, fatigue, and loss of appetite.

What Causes Your Poop to Stink?

What is Covid poop?

Feces of people with mild COVID can harbor viral genetic material months after infection. share. People with mild to moderate COVID-19 can shed viral RNA in their feces months after initial infection, Stanford researchers find. Those who do often have nausea, vomiting and abdominal pain.

How do you cure smelly poop?

You can help stop super smelly poops with these easy tips to quell the smell and stifle the rifle:

  1. Eat less. ...
  2. Cut back on ultra-processed foods and unhealthy fats. ...
  3. See ya, sulphur. ...
  4. Cut down on sugar alcohols. ...
  5. Cut down on certain foods. ...
  6. Swallow less air. ...
  7. Favour fibre. ...
  8. Drink more water.

What does stress poop look like?

Anxiety poop may also be linked to an underlying condition, Eid says. Warning signs to look out for include: blood in your stool. black, tar-colored stool.

What are the 7 types of poop?

Bristol stool chart

  • Type 1: Marbles. Appearance: Hard and separate little lumps that look like nuts and are hard to pass. ...
  • Type 2: Caterpillar. Appearance: Log-shaped but lumpy. ...
  • Type 3: Hot dog. Appearance: Log-shaped with some cracks on the surface. ...
  • Type 4: Snake. ...
  • Type 5: Amoebas. ...
  • Type 6: Soft serve. ...
  • Type 7: Jackson Pollock.

What your poop says about your gut health?

It may sound gross, but paying attention to your bowel movements is actually pretty important. Your bowel habits are a strong indicator of your digestive health. Changes in the color, shape and texture of your stool can reveal signs of infection, digestive issues or more serious health problems, such as cancer.

Why is my poop so stinky?

Most of the time, smelly poop is caused by your diet. It could be caused by eating certain foods or from lactose intolerance. But if it routinely smells bad, you may have an imbalance in your microbiome or a disease like inflammatory bowel disease. Occasional foul-smelling stool may not require any treatment.

Why does men's poop smell worse than women's?

Due to this variation in the types of bacteria, the types of gasses produced may also vary between men and women, and, as we all know, some gasses smell worse than others,” says Dr. McDonald.

What does poop taste like?

Human faeces taste bitter because of bile, which is secreted by the liver and stored in the gall bladder. The food crumbs left inside faeces are tasteless. We assume that the taste of faces is relatively caused by the scent.

What disease makes you smell like rotten eggs?

Description. Trimethylaminuria is a disorder in which the body is unable to break down trimethylamine, a chemical compound that has a pungent odor. Trimethylamine has been described as smelling like rotting fish, rotting eggs, garbage, or urine.

Do you poop more when losing weight?

Healthful weight loss diets usually include lots of fruits, vegetables, and whole grains. These are all high in fiber. Including more fiber in the diet can increase stool weight and encourage more regular bowel movements. Because of this, a person following a weight loss diet may have bowel movements more often.

Do hemorrhoids smell?

Do Hemorrhoids Smell? Side effects depend on the type of hemorrhoids and also how serious they are. The most common complication is pain, but you might also experience a smelly odor. Hemorrhoids are normally associated with extra smelly bowel movements.

Are long poops healthy?

The healthiest shape for poop is a long cylinder. When poop takes on other shapes, it may indicate something could be going on with your digestive system.

What color is healthy poop?

All shades of brown and even green are considered normal. Only rarely does stool color indicate a potentially serious intestinal condition. Stool color is generally influenced by what you eat as well as by the amount of bile — a yellow-green fluid that digests fats — in your stool.

Why is my poop long like a snake?

A diet that is low in fiber or fluids increases the chance of constipation. As a result, the stool can be less bulky and shrinks in size, taking on a stringy appearance. Chronic constipation often leads to blockages that develop in the colon, leading to the passage of thin, stringy stools.

What is toilet anxiety?

Toilet phobia involves fears around toilets, which can include: fear of being too far from a toilet, fear of using a public toilet, fear that others may be watching or scrutinising/listening, or fears of not being able to go to the toilet.

When I wipe after pooping its yellow?

If your stool turns yellow, it's most often due to changes in your diet. If the color persists for several days or is accompanied by other symptoms, you may want to contact your doctor. You should see your doctor if your yellow stool is accompanied by any of the following symptoms: passing out.

Can anxiety make your poop smell?

Can anxiety result in foul smelling stool? Yes. The gut and brain are closely interrelated. Anxiety can affect the gut and impair the digestive process and can cause diarrhea and foul smelling stool.

Why does some poop smell worse?

Changes in diet can affect the way your stool smells. For example, eating more spicy food or higher quantities of meat than you usually do will likely produce stronger smelling stools. Significant changes to your diet while traveling can also change the way your stool smells.

What foods cause foul-smelling stool?

When you eat foods that are high in sulfur—such as meats, dairy, garlic, and cruciferous veggies (think: broccoli, cabbage, kale)—your gut works overtime to digest them and produces a larger amount of the gasses that make your poop smell.

Why do I sweat and feel sick when I poop?

Thanks to Reader's Digest, there's an explanation for this phenomenon! According to RD, poop sweats are caused by the vagus nerve, which runs from your noggin down to your balloon knot. The sewer snakes you're birthing "stimulate" the nerve (yuck) causing what RD refers to as "poo-phoria."