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1. www.nidcd.nih.gov › health › smell-disordersSmell (Olfactory) Disorders—Anosmia, Phantosmia & Others | NIDCD

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   What causes smell disorders? Smell disorders have many causes, with some more obvious than others. Most people who develop a smell disorder have experienced a recent illness or injury. Common causes of smell disorders are: Aging; Sinus and other upper respiratory infections; Smoking; Growths in the nasal cavities; Head injury; Hormonal disturbances

2. my.clevelandclinic.org › health › symptomsDysosmia (Disordered Smell Perception): Definition & Causes

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   Apr 19, 2022 · What causes dysosmia? There are many dysosmia causes, including: Brain injury or brain tumor. Hay fever (allergic rhinitis). Nasal polyps. Neurological conditions, such as Parkinson’s disease. Radiation therapy and chemotherapy. Sinus infection (sinusitis). Smoking.

3. Videos

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     Smell and Taste Disorders

     Apr 3, 2019

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     Smell Disorders: Anosmia, Phantosmia, and Parosmia (Why and What Happens?)

     Jan 7, 2022

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     Smell & Taste Disorders: Diagnosis & Treatment

     Jan 3, 2022

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4. www.hopkinsmedicine.org › health › conditions-andSmell and Taste Disorders - Johns Hopkins Medicine

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   Hypogeusia. Reduced ability to taste sweet, sour, bitter, or salty things. In other disorders, odors, tastes, or flavors may be misread or distorted. They may cause you to detect a bad odor or taste from something that is normally pleasant to taste or smell. These disorders can affect quality of life. They may also be a sign of underlying disease.

5. www.healthline.com › health › smellImpaired Smell: Causes, Diagnosis, and Treatments - Healthline

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   Sep 20, 2019 · Other conditions that can cause impaired smell include: dementia (memory loss), such as Alzheimer’s. neurological disorders like Parkinson’s disease or Huntington’s disease. tumors in the ...

6. www.verywellhealth.com › disorders-of-olfactionOverview and Causes of Olfactory Disorders - Verywell Health

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   Nov 4, 2022 · The most common causes are nasal and sinus diseases: by clogging the nasal passages and inflaming the tissues that receive olfactory molecules, viral infections and allergies have an effect on our sense of smell that almost everyone has experienced at some time or another. Conditions related to the nose, such as nasal polyps, septal deviation ...

   • Author: Peter Pressman, MD

7. www.mayoclinic.org › symptoms › loss-of-smellLoss of smell (anosmia) Causes - Mayo Clinic

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   Aug 4, 2005 · Causes. By Mayo Clinic Staff. A stuffy nose from a cold is a common cause for a partial, brief loss of smell. A polyp or swelling inside the nose can lead to a loss of smell. Aging can cause a loss of smell, especially after age 60.

8. People also ask

   What causes smell disorders?

   • Smell disorders have many causes, with some more obvious than others. Most people who develop a smell disorder have experienced a recent illness or injury. Common causes of smell disorders are: Conditions that affect the nervous system, such as Parkinson’s disease or Alzheimer’s disease. How are smell disorders diagnosed and treated?

   Smell (Olfactory) Disorders—Anosmia, Phantosmia & Others - NIDCD

   www.nidcd.nih.gov/health/smell-disorders

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   Why do I have bad odors & smells?

   • In other disorders, odors, tastes, or flavors may be misread or distorted. They may cause you to detect a bad odor or taste from something that is normally pleasant to taste or smell. These disorders can affect quality of life. They may also be a sign of underlying disease. Problems with taste and smell can suggest certain health problems, such as:

   Smell and Taste Disorders - Johns Hopkins Medicine

   www.hopkinsmedicine.org/health/conditions-and-diseases/smell-and-taste-disorders

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   What causes smell loss?

   • The most common causes of prolonged smell loss occur as a result of COVID-19,an upper respiratory infection, head injury, chronic sinus disease, and aging. However, other conditions such as Alzheimer's disease, Parkinson's disease, and tumors can be associated with smell loss.

   Smell disorders: When your sense of smell goes astray

   www.health.harvard.edu/blog/smell-disorders-when-your-sense-of-smell-goes-astray-2018121215539

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   Can a smell disorder be a sign of a health problem?

   • Problems with your chemical senses may be a sign of other serious health conditions. A smell disorder can be an early sign of Parkinson’s disease, Alzheimer’s disease, or multiple sclerosis. It can also be related to other medical conditions, such as obesity, diabetes, hypertension, and malnutrition.

   Smell (Olfactory) Disorders—Anosmia, Phantosmia & Others - NIDCD

   www.nidcd.nih.gov/health/smell-disorders

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   How common are smell disorders?

   • Smell disorders affect 19% of the population over the age of 20 and 25% of the population over 53. If smell loss from aging alone is considered, one out of eight people between 53 and 91 will be affected over a five-year period.

   Smell disorders: When your sense of smell goes astray

   www.health.harvard.edu/blog/smell-disorders-when-your-sense-of-smell-goes-astray-2018121215539

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9. www.health.harvard.edu › blog › smell-disorders-whenSmell disorders: When your sense of smell goes astray

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   Aug 13, 2021 · The most common causes of prolonged smell loss occur as a result of COVID-19,an upper respiratory infection, head injury, chronic sinus disease, and aging. However, other conditions such as Alzheimer's disease, Parkinson's disease, and tumors can be associated with smell loss. In some cases, the loss of smell is complete (anosmia), while in ...