Causes of Taste symptoms

Simple causes of taste abnormalities include:

  • Unusual food tastes
  • Spicy foods
  • Unpleasant foods and odors
  • Blocked nose
  • Loss of taste (hypogeusia)
  • Age-related decline (the sense of taste gradually declines with age)
  • Smokers (e.g. heavy smoking, pipe smoking)
  • Chronic fume inhalation (e.g. professional painters)
  • Dry mouth (which has various causes)
  • Dry tongue
  • Acid reflux (a cause of an “acidic taste”)
  • Postnasal drip
  • Normal variation. Not everyone’s sense of taste is exactly the same.

Causal Categories: The general categories of possible causes include:

Mouth Disorders: Oral region disorders that may affect taste include:

  • Oral infections
  • Mouth ulcers
  • Tongue scaling
  • Tongue infection
  • Tongue ulcers
  • Tongue nerve paralysis
  • Oral thrush (fungal infection)
  • Geographic tongue
  • Oral cancer

Bleeding Causes: Is it a blood taste? The taste of blood may also seem to be a “metallic taste” because blood contains a lot of iron. Causes of a bloody taste include:

Other Causes: Other causes of taste abnormality include:

Imaginary Tastes: It is also possible that it’s not a “real taste”. It may be an abnormality of the sense of taste, such as:

  • Olfactory hallucinations (taste hallucinations; “gustatory hallucination”)
  • Psychogenic taste
  • Taste abnormality

Olfactory Disorders: The sense of smell also affects taste, so there are various disorders of smell that can cause taste symptoms, such as:

Specific Taste Symptoms: See also the causes of more specific types of taste symptoms:

  • Bitter taste
  • Acidic taste
  • Sour taste
  • Loss of taste
  • Metallic taste
  • Fecal taste
  • Foul taste
  • Blood taste
  • Strange taste
  • Weird tastes
  • Salty taste
  • Taste abnormality


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Note: This site is for informational purposes only and is not medical advice. See your doctor or other qualified medical professional for all your medical needs.