Ageusia

Reviewed 06/2017
 


BASICS

  • Ageusia is the absence of the sense of taste.

    • Other taste disorders include hypogeusia (decreased ability to taste), dysgeusia (a disordered ability to taste), and phantogeusia (phantom taste)...

DIAGNOSIS

HISTORY

  • Nature of symptoms (complete loss of taste? partial? to which tastes?)

  • Onset

  • Duration

  • Precipitating events

    • Medications (new and old)

    • Recent infection

    • Other medical interventions (IV dyes,...

TREATMENT

To treat the symptoms of hypogeusia and ageusia, the underlying cause must first be identified and treated. 

MEDICATION

  • Treatment of the underlying cause, which may require specific medication...

ONGOING CARE

FOLLOWUP RECOMMENDATIONS

MONITORING

Patient should be reassessed every 3 to 6 months. 

PROGNOSIS

  • Related to the cause

  • Taste can take 6 months to 1 year to return.

COMPLICATIONS

Permanent loss of...

REFERENCES

Fark T, Hummel C, Hähner A et al. Characteristics of taste disorders. Eur Arch Otorhinolaryngol.  2013;270(6):1855–1860. [View Abstract on OvidInsights]
Shimada T, Kamada H, Hoshino R...

ADDITIONAL READING

  • Bhattacharyya N, Kepnes LJ. Contemporary assessment of the prevalence of smell and taste problems in adults. Laryngoscope.  2015;125(5):1102–1106. [View Abstract on OvidInsight...

CODES

ICD10

R43.2 Parageusia 

ICD9

781.1 Disturbances of sensation of smell and taste 

SNOMED

  • 36955009 Loss of taste (finding)

  • 698002002 Loss of taste anterior two thirds of tongue (finding)

  • 702531002 Loss o...

PEARLS

  • Ageusia is the absence of the sense of taste.

  • To treat the symptoms of ageusia and hypogeusia, the underlying cause must first be identified and treated. Disorders of smell contribute greatly to...

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