Why Does My Poop Smell Burnt?

Why Does My Poop Smell Burnt
Why Does My Poop Smell Burnt

Have you ever noticed that your poop has a smoky scent to it? It may seem strange to other people, or you may feel scared upon realizing that the odor of your poop is burnt, which is not the typical smell of poop. It is critical to identify the source of the burnt odor coming from your poop movements because it can shed light on your current state of health.

There are a lot of additional things to take into consideration besides the appearance and odor of your feces. However, the basic truth is that your poop can also be a vital indicator of your overall health and should not be ignored. In this post, we will explain why your poop smells like burnt hair, burnt rubber, burned popcorn, and other bad odors.

Importance Of Monitoring Your Poop

The last phase or process that occurs in the digestive system is the movement of the bowels. Every substance that is taken into the body will go through this last procedure, unless the person has a condition like as constipation or another issue that stops this process from occurring. The human body eliminates approximately 2 quarts worth of liquid and solid waste each and every day. The solid waste is more commonly referred to as poop or stool. Undigested food in fiber form, fluid or liquid, and dead cells that have shed from the linings of the intestines are all components that should be present in a healthy stool.

Although the color can vary from person to person and also depend on what you eat, they should be nicely shaped and brown in color. However, the color can alter. Changes in the color, smell, consistency, and frequency of your poop can reveal a lot about your digestive system, but they can also readily raise false alarms because they can vary as a direct result of what we consume. If the shifts only take place once or maybe twice per week, there is no reason to be concerned about them.

However, if it lasts for more than a week and there is no clear reason for the changes, you should make an appointment with a medical professional.

Why Does My Poop Smell Burnt Rubber

Why Does My Poop Smell Burnt
Why Does My Poop Smell Burnt Rubber

The distinct odor of poop can be attributed to bacteria and the byproducts of the bacteria’s metabolic processes. They have the potential to raise the concentration of mercaptans in your body, which are chemical compounds. This substance is to blame for the unpleasant odor that your stools give off, which has been described as smelling like burnt rubber.

According to Healthline, the odor of your feces can be attributed to a number of factors, some of which are as follows:


It’s possible that certain illnesses that affect the intestines are to blame for the rotten and burned smell that your poop has. An example of this infection is gastroenteritis; it develops after you consume food that is infected with E. coli and Salmonella or other bacteria, viruses, or parasites. Another example of this infection is hepatitis. Abdominal cramping, diarrhea, and feces with a putrid odor are some of the symptoms that may be associated with this infection.

Various dietary supplements and different kinds of medication

Certain drugs have the potential to induce gastrointestinal distress and even diarrhea in certain people. If you are allergic to any of the components found in the vitamins or drugs you are taking, you may also notice that your feces have a smoky or putrid odor. Antibiotics are not the only type of drug that can alter the smell of a person’s feces until the normal bacterial flora in the body has been restored.

When you take more than the recommended amount of a drug on a daily basis, you may experience side effects such as having poop that smells burnt or unpleasant.


A problem known as malabsorption occurs when the body is unable to get the required quantity of nutrients from the food that it consumes. The inability of your intestines to absorb nutrients from the food you eat may be the result of an infection in the intestines or a condition that affects the intestines.

The following are some additional common causes of malabsorption:

  • Carbohydrate intolerance – Inability of the body to process and absorb sugars and starches completely.
  • Celiac disease – Intolerance to gluten that damages the lining of the small intestine and prevent processing and absorbing of food.
  • Allergies to food like diary products
  • Inflammatory bowel disease like ulcerative colitis and Crohn’s disease.

Why Does My Poop Smell Burnt Match

Why Does My Poop Smell Burnt Match

Your feces include a chemical element known as sulfur, which is responsible for the smell of burnt matches that you pick up from them. This chemical element is present in the food that we eat, and there are meals that, due to their high sulfate content, contribute to the production of sulfur gas. Sulfur-containing foods are an essential component of our diet, but they have the unfortunate side effect of making our poop smell smoky and putrid. Foods such as kale, broccoli, cauliflower, dairy products, beef, and eggs are examples of foods that are high in sulfur content. The odor of sulfur is very recognizable.

Why Does My Poop Smell Burnt Popcorn

Why Does My Poop Smell Burnt Popcorn

If you have poop that smells like burnt popcorn, at least you won’t have to smell the unpleasant odor that is typically associated with poop. This may be a desirable trait for some people. On the other hand, it may be an indication of a change in hormone levels, diabetes, or consuming foods that are high in protein. There are a few reasons why your feces poop like popcorn, including the following:


The term “pregnancy” refers to a time of life that is accompanied by a number of significant changes, some of which include changes in body bulk, face appearance, and heightened senses. Your sense of smell will alter, especially during the first trimester. Odors that you detested before may start to smell lovely to you, while pleasant aromas may start to smell repulsive to you. This is especially true for unpleasant fragrances. It’s possible that the hormones that are circulating in your body during pregnancy are making your poop smell like popcorn. There is also the possibility that it is a symptom of diabetes.

If you observe that both your feces and your urine poop like popcorn, you should make an appointment with a medical professional as soon as possible because this may be an indication of preeclampsia (increase in blood pressure of a pregnant woman).


Ketone levels in the bloodstream are elevated to dangerously high levels when diabetes is present in the body. These ketones can be expelled along with solid or liquid waste material, giving your pee or poop a scent similar to that of charred popcorn. Ketones are formed when your body does not have enough sugar or glucose for fuel, which can happen during periods of fasting or overnight. Ketones are a byproduct of this process. It is not unusual for people who regularly engage in strenuous physical activity or who consume a diet high in fat to have a trace amount of ketones in their circulation.

On the other hand, an extremely high level of ketones might start to build up in your blood if you have diabetes and are unable to regulate or manage the condition. The more ketones your body produces, the more likely it is that you may progress into a state known as ketoacidosis (Medical News Today, 2021). Ketoacidosis is a disorder that can last for a long time and is quite difficult. It requires prompt medical intervention. People who have this ailment almost always report that both their feces and urine have a pungent and sickly sweet odor, similar to that of charred popcorn.

Consume a lot of protein in your diet

Consuming foods that include a high percentage of protein can put your body into a state of ketosis. When you consume a greater quantity of protein compared to carbohydrates, your body converts the protein into energy and stores the carbohydrates as fat rather than utilising the carbohydrates as it would normally. Because you are in a state of ketosis, a high level of ketones will also be present in your blood. These ketones are flushed out of the body through the urine and feces, and as a result, either one of those bodily functions will have a smell similar to that of charred popcorn.

Why Does My Poop Smell Burnt Hair

Why Does My Poop Smell Burnt Hair

This is very frequent in infants, and it may even be the first thing that you notice when you look at the poop of your kid. In most cases, this might not be a reason for concern or anxiety. Some of the most prevalent reasons why your baby’s poop or yours can smell like charred hair are as follows:

Sensitivity to a new meal

The introduction of a new meal to a poop’s diet can sometimes cause their digestive system to have an adverse reaction, which can be recognized by the color and odor of their feces. This occurs frequently in infants. You should visit a physician if the problem persists.

Food allergy

Babies as well as adults can be affected by food allergies. Products containing dairy and lactose are two examples of foods that frequently trigger allergic reactions or intolerances in people. If you observe this, you may wish to discontinue consumption of the food in question because it may provoke more reactions.


Infections from virus or bacteria that affect the gastrointestinal tract can cause your poop to have smell like burnt hair. In situations in which illness is the root cause of the change in smell, you won’t be able to ignore the difference for at least a few days. If the odor persists for more than a week, you should make an appointment with a medical professional if it has been more than a day or two since it has gone away.

Moderate dehydration

Dehydration can have a variety of consequences. It is possible that it will cause a foul odor to emanate from your mouth, and it is also possible that it will cause your feces or pee to smell like charred hair. To ensure that the body is always well hydrated, it is important to drink enough of water or to offer your child some water on a regular basis. Some of the more typical causes, such as trying a new dish for the first time, could fade away on their own or morph into something different.

Be on the lookout for further symptoms such as your kid vomiting and having stools that are black or green in color, as well as blood in the stools, since these might all be signals of a bacterial or viral illness.

Why Does My Poop Smell Burnt Hair Coffee

Why Does My Poop Smell Burnt Hair Coffee

If your poop smells like stale coffee, there are a few different things that could be causing the odor. The fact that the coffee bean that was used to make the product had particular components is the most likely reason for why your poop smells like burnt coffee. Therefore, the smell of burnt coffee comes from the digestion of these coffee beans, which releases the components that give poop its characteristic odor. Coffee alters the way in which your body processes and digests other foods. Coffee has been shown to hasten the digestive process, causing food and other substances to spend less time in the intestines.

Therefore, as soon as you drink coffee, your body begins the process of flushing it out, which ultimately results in your poop containing remnants of the coffee. On the other hand, if the odor suddenly turns sickeningly sweet, this could be the result of a bacterial illness known as Clostridioides.


The topic of why your poop smells burnt has been answered with a variety of factors; however, you should be aware that some of these causes may go away on their own after a few days, but others may continue for longer lengths of time. If the odor persists for more than a week, you should seek medical assistance from a physician as soon as possible.


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