Anosmia, Hyposmia and Dysgeusia Can Be a Sign of Coronavirus Infection!

Loss of Smell Can Be Accepted As A Symptom of COVID-19 Infection!

Anosmia, Hyposmia, Dysgeusia and Coronavirus Infection!

In the absence of allergic rhinitis, acute rhinosinusitis or other respiratory diseases such as chronic rhinosinusitis, anosmia, hyposmia and dysgeusia can be a sign of COVID-19 infection!

It was emphasized that anosmia and dysgeusia may be the leading signs of the COVID-19 outbreak. Of course, anosmia or hyposmia can be seen in normal viral upper respiratory tract infections, acute and chronic sinusitis, and nasal obstruction such as nasal polyp and allergic rhinitis. You shouldn't worry too!

Loss of smell can be accepted as a symptom of COVID-19! infection like post-viral anosmia. This can be seen in other viral upper respiratory infections and chronic sinusitis. 40% cases of anosmia in adults due to this way.

About The Sense of Smell

Disorders of the sense of smell are also divided into two types: conduction type smell disorder and sensorineural smell disorder, while the reasons that prevent the smell particles from reaching the odor cells are called conduction type smell disorders, and the smell disorders caused by the olfactory nerves and subsequent odor pathways are called sensorineural type smell disorder.

Definition of smelling disorders

Anosmia: It is the complete loss of the sense of smell.
Hyposmia: It is a decrease in the sense of smell. This can be partial or total.
Hyperosmia: It is an increase in the sense of smell compared to normal people. It can be total, partial or specific, such as anosmia and hyposmia.
Phantosmia: Perceive odor even though there is no odorous stimulus
Parosmia: Misperception of existing odor.
Kakosmia: Perceive odors as bad smell.

Causes of loss of sense of smell

Causes of loss of smell (not only in Coronavirus infection, as seen below!):
  • Acute sinusitis (sinus infection)
  • Dry fire
  • Common cold
  • Flu
  • Non-allergic rhinitis
  • Minor injuries in the nose
  • Nose polyps and tumors
  • Aging
  • Alzheimer's disease
  • Brain aneurysm
  • Brain surgery
  • Brain tumors
  • Clinical exposure to suppositories and solvents
  • Diabetes
  • Drug treatments (nifedipine, terbinafine, others)
  • Multiple sclerosis
  • Paget'sbone disease (bone growth and deformity)
  • Parkinson's disease
  • Pick's disease (some kind of dementia)
  • Radiation therapy
  • Schizophrenia
  • Multiple system atrophy (a neurological condition described as excessive drop in blood pressure while standing)
  • Sjogren's syndrome (an inflammatory disease usually caused by dry mouth and eyes)
  • Traumatic brain injury
  • Zinc deficiency
  • Hormonal disorders
  • Huntington's disease
  • Klinefelter syndrome (a condition where men have extra X chromosomes in most of their cells)
  • Kallmann's syndrome (testicles' inability to produce sperm)
  • Korsakoff psychosis (a brain disorder caused by a thiamine deficiency)
  • Malnutrition

About The Anosmia

Anosmia is the complete disappearance of the sense of smell and the most common sense of smell. It may be temporary or permanent, depending on the reason it originates from. While loss of sense of smell caused by polyps and tumors heals when congestion is opened, the inability to smell due to aging and brain tumor may be permanent. Although not smelling is not a problem for health directly, if the sense of smell necessary for the taste of food is lost, the patient's interest in eating decreases, which can lead to weight loss, malnutrition, and even depression. Apart from this, these patients cannot understand that the nutrients are spoiled because they do not smell, and they are more frequently exposed to conditions such as stove poisoning.

Sense of Smell Video


Source links >> AAO-HNS: Anosmia, Hyposmia, and Dysgeusia Symptoms of Coronavirus Disease   / Loss of sense of smell as marker of COVID-19 infection Lost or changed sense of smell - NHS

Murat Enoz, MD, Otorhinolaryngology, Head and Neck Surgeon - ENT Doctor in Istanbul

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Address: İncirli Cad. No:41, Kat:4 (Dilek Patisserie Building), Postal code: 34147, Bakırköy - İstanbul
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