What causes ageusia?

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What causes ageusia?

There are several health issues that can lead to a loss of sense of taste. These include:

  • COVID-19 infection.
  • Sinus infection (sinusitis).
  • Common cold.
  • Influenza (flu).
  • Pharyngitis (sore throat).
  • Strep throat.
  • Salivary gland infections.
  • Gum (periodontal) disease.
  • Injuries to the head or ear.

Ageusia can also be linked to:

  • Obesity.
  • Diabetes.
  • Smoking.
  • Poor nutrition.
  • Sjogren’s syndrome.
  • High blood pressure.
  • Nutritional deficiencies (particularly zinc and vitamin B-12).
  • Dry mouth (xerostomia) or any condition that causes damage to the taste buds.
  • Alzheimer’s disease.
  • Parkinson’s disease.
  • Multiple sclerosis (MS).
  • Certain drugs, including lithium, cancer treatments and thyroid medication.

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