Lost smell

Lost smell's disease overview

The nose is one of the five senses of the person who has the function of sensing the smell. In terms of anatomical structure, the smell of the nose is located at the roof of each nose, right after the distance between the eyes. Normally, the nose has about 100 million nerve cells to smell and about 1,000 different genes are in these sense -sensing cells. Each nerve receptor only analyzes and receives certain odors. The electromagnetic signal of the smell will be transferred to the brain to determine the scent of things.

loss of sense of smell is a condition when you lost the feeling of smelling . This condition is often caused by a nose or a brain injury ( loss of smell after an accident ), but some people have no smell ( loss of smell. Birth ).

Any problem in this olfactory system - blocked or obstructed in the nose, mucositis, nervous nerve disease The ability to smell and can lead to sense of smell.

Self -recovery is related to time, so if there are problems with smell disorders, you need to see a doctor to find the cause and appropriate treatment.

The loss of odor may be partial or completely (anosmia), and maybe temporary or permanent, depending on the cause. Although the smell is rarely a symptom of a serious condition, even a part of the smell that can make you lose interest in eating, this can lead to weight loss, malnutrition or even deep. have a cold. Losing smell also affects the ability to enjoy. Without smell, our taste buds can only discover a few flavors and this can affect the quality of life.

Causes of Lost smell's disease

Temporary irritation or clogging of the mucosal mucosa inside your nose is the most common cause of loss of odor. They may include:

  • Acute sinusitis (sinus infection)
  • Common cold
  • or fever

    • influenza (influenza)

    Non -allergy rhinitis (chronic nasal congestion or sneezing is not related to allergies)

    Barriers: The conditions or obstructing airflow through your nose may include:

  • Deforming the bone inside your nose

    • nose polyps tumor

    Your brain or nerve damage

    less common, nerves that lead to the center of the nerves of the brain or the brain can be damaged or worse due to:

  • aging
  • Alzheimer's disease
  • Brain aneurysm (aneurysm in your brain)

    • Brain surgery

    Brain

    Chemical exposure to some pesticides or solvents

    diabetes

  • Huntington disease
  • Kallmann syndrome (a rare genetic condition)
  • Klinefelter syndrome (a rare condition in men with extra chromosomes X in most of their cells)

    • Korsakoff's mental disorder (a brain disorder due to lack of thiamin)

    malnutrition

  • Drugs (for example, some high blood pressure drugs)

    • Multi -sclerosis

    Many atrophy systems (MSA) (a progressive disorder of the nervous system)

  • Niemann-Pick (Pick disease, a form of memory loss)
  • Paget's bone disease (a disease that affects your bones, sometimes on the face)
  • Parkinson's disease

    • Radiation therapy

  • Rhinoplasty

    • schizophrenia

  • Sjogren syndrome (an inflammatory disease that causes dry mouth and eyes)
  • Traumatic brain injury
  • Zinc deficiency
  • Nasal spray contains zinc (taken out of the market in 2009)

    • Other causes may include:

  • Some drugs including antibiotics such as Metronidazole;
  • drug use such as cocaine or amphetamine;
  • Long -term alcohol abuse;
    • hypothyroidism;
  • Cushing syndrome (high blood cortisol hormone levels);

    • Liver or kidney disease;

    Lack of vitamin B12;

    Seed tumor with multiple vessel inflammation - a disorder is not common in blood vessels; sarcoidosis - a rare disease that makes the body cells conclusion;

  • Losing congenital smell.

    • Symptoms of Lost smell's disease

    Signs and clear symptoms of smells are not smelled. Some people suffer from this situation that changes in the sense of smell, such as unable to smell familiar smells like before.

    When do you need to see a doctor?

    Smaric loss due to colds, allergies or sinus infections usually go away on its own after a few days. If this does not happen, see a doctor so they can eliminate more serious situations.

    Smell loss can sometimes be treated, depending on the cause. The doctor may prescribe antibiotics to treat bacterial infections or remove obstruction in the nose.

    In other cases, the smell of smell may be permanent. Especially after 60 years old, you have many risks of losing smell.

    If you have any of the above signs or symptoms or any questions, please consult your doctor.

    People at risk for Lost smell's disease

    Smaric loss is a very common condition, more influence in women than men. The disease can affect people in all ages. You can control this disease by minimizing risk factors. 

    Prevention of Lost smell's disease

  • The best way to protect the smell is to prevent and treat the causes of the above -mentioned smell, such as cure diseases: colds, flu, upper respiratory tract, sinusitis ... thoroughly. 
  • In life, people should wear a mask to protect to avoid smoke, dust, cold air ... every time they go out. The habit of washing your nose with physiological saline 2-3 times daily or every time you go home to clean the nasal mucosa. 
  • Practice smell like smelling flowers, food for familiarity ... to promptly detect abnormal changes of smells and treat when the disease develops. ..
  • No smoking

    • Diagnostic measures for Lost smell's disease

    Diagnosis is based on current symptoms, nose and body examination and medical history

    The doctor can ask questions such as the disease starting, all or only some types of smells are affected and you can taste food or not.

    Can use some smell evaluation methods to help assess the level and cause.

    Depending on each specific case, the doctor performs one or more tests:

  • Computerized tomography (CT), using X -rays to create a detailed image of the brain;
  • Magnetic resonance imaging (MRI), using radio waves and magnetic fields to view brain structure;

    • X-ray of the skull; Endoscopy to observe inside the nose.

    Lost smell's disease treatments

    The principle of treatment is to treat the causes of smell disorders. In case of patients with loss of smell, caused by allergic rhinitis, rhinitis and sinusitis, polyps, new births and structural abnormalities of the nasal cavity may conduct specialized treatment of these diseases. 

    Can I recover?

    Smell loss can be completely cured if you find the cause and treat it early. Loss of odors due to colds, allergies or sinus infections will usually go away on its own after a few days. If this condition lasts, you can see a doctor for more serious causes.

    People who have lost their innate smell are unable to smell their lifetime and have no concept of smell. Currently, there is no treatment or treatment of congenital smell.

    Treatment of smells of smell depends on the cause, the treatments may include:

  • Antibiotics. Antibiotics to treat bacterial infections or remove obstacles are blocking nasal tract
  • Nas that nasal polyps, nasal walls and chronic sinusitis often bring good results are the recovery of the smell.
  • Antihistamine drugs, local or body glucocorticoid therapy.
  • Using zinc and vitamins (especially vitamin A) is approved by many physicians and good results. Because heavy zinc deficiency can cause loss and sense of smell and vitamin A deficiency can cause smells of smell. 
  • Patients with nervous sensations often have no effective treatment. Cutting harmful sources such as cigarette smoke and other toxic chemicals in the air can recover the sense of smell for patients with loss of this kind of smell.

    • See also:

  • Allergic rhinitis is different from conventional rhinitis? Effective treatment
  • Typical signs of sinusitis
  • Pregnant women with allergic rhinitis ?

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