What fart smell says about nutrition and health – Heilpraxis

The smell of flatulence indicates various ailments.

On average, each person leaves 20 times a day air from the intestine escape. In most cases, a fart is barely noticeable. However, some flatulence sucks so much that other people can barely stand it. A gastroenterologist provides information about what Smell of flatulence on diet and health. can tell a person.

dr Christine Lee is a gastroenterologist at the prestigious Cleveland Clinic in Ohio (USA). In a recent article from the institution, the doctor explains what the smell of flatulence can tell you about the food and medicines you have ingested and what signs of disease the fart smell gives.

How flatulence arises

According to Dr. Lee, gases are formed in the intestine in two ways. On the one hand it arises in the food breakdown in the intestine gases such as hydrogen, carbon dioxide, hydrogen sulfide and methane, which are released in the form of flatulence. On the other hand, the humans swallowed around two liters of air per daywhich escapes again either by belching or by flatulence.

Why does some flatulence smell like rotten eggs?

If a fart smells unpleasant, this is not a cause for concern. Some unpleasant odors can even be attributed to a healthy nutrition be due.

For example, during digestion a high fiber diet according to dr. read frequently hydrogen sulfide. When this gas is released through flatulence, the smell is reminiscent of rotten eggs.

These foods often lead to foul-smelling flatulence.

Some foods ensure that more gas is released from the intestine. These include mostly Beans and another vegetablessince there is a greater digestion of these foods fermentation and gas formation It comes in the intestine.

Broccoli often contains high levels of sulfur. As mentioned above, this can increase the level of hydrogen sulfide in the exhaust gas. The same applies to related cruciferous vegetables, such as Cauliflower, cauliflower and another cabbage varieties.

Further away foods that contain sulfurthat can worsen the smell of flatulence, are for example

  • alcoholic beverages such as beer and wine,
  • eggs,
  • Garlic,
  • grain,
  • Meat,
  • Walnuts,
  • onions,
  • protein powder with cysteine,
  • Cheese,
  • dairy products,
  • sweeteners

Intestinal flora as a cause of foul-smelling flatulence

In most cases, diet is to blame for the smell of flatulence. Sometimes the stench can also be in a medical problem or in biological causes tracks

For example, him natural composition of the intestinal flora a person can make the escaping gases smell stronger or weaker.

Some medications affect the smell of flatulence.

Above all antibioticsbut also some other medications, according to Dr. Lee the digestive system temporarily.

In some cases, bacteria such as Clostridium difficile spread further into the intestine. This imbalance in the intestinal flora can cause flatulence to smell worse than usual.

Constipation makes fart smell worse

If there is constipation, the fart smell is also usually much more unpleasant. As Dr Lee explains this is mainly due to the accumulation of feces in the intestine.

Intestinal diseases can cause smelly flatulence

Also, Dr. Lee that there are some intestinal diseases which often result in the flatulence of those who suffer from it being more smelly. These include, for example

If the smell of flatulence comes out unexplained reasons over a longer period of time should change, according to Dr. Lee it should be discussed with a doctor to rule out a possible underlying disease. (verb)

Author and source of information

This text corresponds to the requirements of the specialized medical literature, medical guidelines and current studies and has been reviewed by medical professionals.


Graduate Editor (FH) Volker Blasek


  • Cleveland Clinic: Why do farts smell and what does that say about your health? (published 5/2/2022), health.clevelandclinic.org

Important note:
This article contains general advice only and should not be used for self-diagnosis or treatment. It cannot replace a visit to the doctor.


Leave your vote

Leave a Comment

Log In

Forgot password?

Forgot password?

Enter your account data and we will send you a link to reset your password.

Your password reset link appears to be invalid or expired.

Log in

Privacy Policy

Add to Collection

No Collections

Here you'll find all collections you've created before.