The smell of onions from nose: causes and treatment of this disease

Why nose smell like onions?

The presence of unpleasant odors in the nasal cavity is a common problem. However, not all pay due attention to it, preferring to deal with this feeling without identifying the reasons for its occurrence.

The factors causing the odor can be different – from a long stay in a place rich of them to a serious disease. The smell of onions in the nose, for example, may be a consequence of the development of oseny.

Causes symptoms of onion smell in the nose

Quite often the smell of onions in the nose feeling the people involved in the cutting of this vegetable.

In this case, the cause of the smell is getting tiny particles of product in the nasal cavity.

This phenomenon is temporary and passes quickly. However, sometimes the reason why the nose smells of onions, far more serious.

The nasopharynx is the natural habitat of a large number of bacteria. Here live both gram-positive and gram-negative microorganisms.

Due to the impact of a variety of factors can start the process of reproduction, leading to the formation of pus – the waste products these bacteria.

Attention! Often the cause of unpleasant, smelly odor coming from the nose is pus.

It is possible to allocate some reasons of occurrence of an unpleasant smell of onions in the nasal cavity:

  • ozena;
  • parosmia;
  • worm infestation.

Take a closer look.


Ozena is a nasty, dangerous disease. It is also called stinking cold. In most cases, from this disease suffer from women (usually the younger age groups).

The causes of the manifestations of the disease are still completely unknown. However, there are several theories explaining the manifestation of the disease.

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According to them, ozena may occur due to:

  1. Excessive bacteria Klebsiella. Approximately eighty percent of individuals who have been diagnosed with the disease, detected these microorganisms. Thus they are often associated with bad rhinitis.
  2. Violation of trophic functions of the Central nervous system.
  3. Beriberi.
  4. Gipoholesterinemia. This term refers to a condition of scarcity of cholesterol in the body.
  5. Acidosis.

One of the symptoms of this disease is changes of smell mucous secretions from the nose. In some cases, snot smell like onions or garlic. Sometimes there is complete loss of smell. Also a symptom of Oseni is a feeling of dryness in the nose, which leads to the appearance of crusts. They can also have the onion smell, which always felt sick.


Parosmia is another cause of unpleasant smell. However, in this case a third-party smell perceives only the patient, due to the perverted perception of olfactory sensations. The status can be one of the symptoms of Oseni or to arise as a result of empyema of the paranasal sinuses.

Features! Easy parosmia may occur due to prolonged exposure on the human body a certain smell. As a result, the feeling will manifest after some time even in the absence of the stimulus.

In some cases, the problem occurs with worm infestation. The activity of the parasites leads to the release of toxins in the blood, which can result in the development of the onion smell in the nasal cavity. Although in most cases this phenomenon occurs in childhood, adults are also susceptible to the disease.

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Therapy problems

Treatment of onion smell in the nose depends on the specific situation. If such a feeling caused by minor reasons and runs in a few minutes/hours, therapy is not required. In the case where the smell of onions and kept for a long period of time, there is reason to presume that the patient Oseni, parosmia or other serious illnesses.

Ozena to treat chronic diseases. To treat the disease difficult, especially if it is running. Therapy usually includes several courses for twenty or thirty days. Treatment consists of:

  1. Antibiotics (ten days). Can be used such drugs as: «Ciprofloxacin», «Doxycycline», «Streptomycin». Is antibiotics, to which sensitive Klebsiella.
  2. Use tools that improve the immunity of the patient. This may be preparations containing in its composition zinc, iron, folic acid.
  3. Hygienic care of the nose. Lining the crust formed, in which bacteria multiply. During therapy it is necessary to periodically irrigate the nasal cavity «Iodinol», «Chlorophillipt» or other antiseptic. It is also recommended to use moisturizers.

If the reason of development of problems caused by violations related to the sense of smell, the specialist will look for the factor that triggered the development of parosmia. In this case, treatment will be aimed at ridding the patient from the source of the problem. Specific therapy is prescribed depending on the diagnostic results. During helminth infection the main measures will be aimed at removing the parasites from the human body and correction of the consequences of their activities.

Help! In some cases, professionals may resort to surgery.

The operation is performed only after consent of the patient. Usually the operation in this case is aimed at narrowing the nasal passages, drainage of pus from the nose or correct defects, which is a possible cause of the smell.

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Thus, the smell of onions may be due to various reasons. Most often this is due to the development Oseni, parosmia and helminthic infestations. In some cases, the phenomenon arises from the accumulation of waste products of pathogenic bacteria.


Causes and treatment of onion smell out of your nose closely related to the treatment of the problem depends on factors that caused its emergence. Your doctor may prescribe medication and tools that enhance the immune system of the patient. In some cases need surgical intervention.