Iqbal Hussain Udaipurwala.
Covid-19: a New Cause for Taste and Smell Dysfunction.
J Bahria Uni Med Dental Coll Jan ;11(4):142-3.

Dysfunction of the sense of smell and taste may have severe impact on quality of life and overall health. Detection of bad smell in the local environment is a warning sign for a person and a good smell is pleasurable in life. Similarly sense of taste is also very important for pleasure and to avoid intake of hazardous meal or drink. Unfortunately, knowledge about the smell and taste dysfunction is very limited and little work has been conducted in this field. There is a long list of disorders and diseases that can affect and disturb olfactory and gustatory functions, ranging from the local to central neurological causes. Virtually any disease of the nose or paranasal sinuses can cause hyposmia or anosmia, the common being chronic rhino-sinusitis, atrophic rhinitis, nasal polypi, allergic rhinitis or neoplasia. The neurological causes may include any pathology that can affect olfactory nerves, olfactory bulb and their central connections or the primary olfactory cortex. A new cause in the list is COVID-19 infection for which medical fraternity is thriving hard to unveil the underlying mechanisms responsible for producing features

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