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What are smell disorders? What causes smell disorders?

• People with smell disorders are known to have a loss in their ability to smell.
• They experience changes in their smelling capacity in perceive odors.
• Hyposmia is a condition which indicates a minimized sense of smell in detecting odors.
• Anosmia is a condition where the person is unable to detect odor completely.
• People who experience modifications to the way they sense odors may notice that familiar odors are distorted.
• They find that normally pleasant smells now smell foul.
• Other individuals may sense an odor that isn’t specific.
• Disorders of olfaction are infrequent.
• But there is a complete decrease in smell.
• It cuts down on well being significantly.
• The perceptions of smell and taste are often combined.
• Olfaction is the sense of smell that one can have with the food and drink.
• If there is loss of sense of smell, one would not be able to differentiate between a grape or strawberry candy.
• It would be more of a common flavor of sweet rather than specific differentiation of the flavor.
• Then one needs the sense of smell to know toxic and danger like fire or smoke or anything like spoiled food.
• Many causes for malfunctioning of smell are known.
• Olfaction malfunctioning can also be congenital.
• In such cases, one may not be able to smell or taste especially beyond the 4 basic tastes.
• They are sour, sweet, salty and bitter.
• People suffering with anosmia, this malfunctioning can be improved as it is a permanent damage.
• People suffering with hyposmia, this malfunctioning can be improved or recovered.
• Smell disorders are due to many reasons with some being temporary and others being permanent.

What causes smell disorders?

Olfaction malfunctioning can be due to:
Respiratory disorders such as:
• nasal polyps
• deviation or obstruction of the nasal septum
• chronic sinusitis
• minimized airflow along the olfactory cleft which is present at the roof of the nasal cavity.
Modern endoscopic surgery of the nose can correct the situation.

Epithelial disorders involving the sensory cells due to:
• viral infections
• toxic destruction of the sensory epithelium
• heavy metals
• benzene
• various kinds of industrial dusts

They can be cured by:
– Corticosteroids zinc
– vitamin A

Some other causes are:
• Illnesses like cold
• Swelling of nasal membranes
• Increase of amount of mucus
• Allergies
• Rhinitis
• Head trauma
• Presence of amnesia
• Early sign of certain neurological diseases
• Parkinson’s or Alzheimer’s
• Recent illness or injury

Common causes of smell disorders are:
• Sinus
• Other upper respiratory infections
• Polyps in the nasal cavities
• Frontal head injuries
• Hormonal disturbances
• Dental problems
• Exposure to certain chemicals, such as insecticides and solvents.
• Numerous medications
• Common antibiotics
• Antihistamines
• Radiation associated with the treatment of head
• Radiation in treatment of neck cancers.
• Aging
• Smoking

Season to Taste: How I Lost My Sense of Smell and Found My Way Navigating Smell and Taste Disorders The Encyclopedia of Natural Medicine

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