II. Epidemiology

  1. Laryngitis is the most common cause of Hoarseness in adults

III. Definitions

  1. Acute Laryngitis
    1. Self-limited vocal cord inflammation lasting shorter than 3-4 weeks
  2. Chronic Laryngitis
    1. Vocal cord inflammation lasting longer than 3-4 weeks

IV. Causes: Infectious Acute Laryngitis

  1. See Hoarsness Causes
  2. Viral Infection (Most common, responsible fo 90% of cases)
    1. Parainfluenza Virus
    2. Rhinovirus
    3. Influenza Virus
    4. Adenovirus
    5. Coronavirus
  3. Bacterial Infection
    1. Acute Streptococcal Pharyngitis
    2. Diphtheria (rare in United States due to Vaccine)
    3. Moraxella catarrhalis
    4. Haemophilus Influenzae
  4. Atypical infections
    1. Coccidioides immitis
    2. Cryptococcus neoformans
    3. Tuberculosis
    4. Blastomycosis
    5. Histoplasmosis

V. Causes: Non-Infectious Acute Laryngitis

  1. See Hoarsness Causes
  2. Acute Voice Abuse
  3. Persistent coughing
  4. Allergic Rhinitis

VI. Symptoms

  1. Hoarseness or harsh voice
  2. Aphonia (voice breaks intermittently)
  3. Upper respiratory symptoms (Pharyngitis, cough, nasal congestion) variably present
  4. Leukocytosis if Bacterial

VII. Differential Diagnosis

VIII. Management

  1. Increased household humidity
  2. Voice rest
  3. Increase hydration
  4. Analgesics
  5. Antibiotics have not been shown to be beneficial
    1. Reveiz (2007) Cochrane Database Syst Rev (2): CD004783
    2. Schaleaen (1985) Ann Otol Rhinol Laryngol 94:14 [PubMed]
    3. Schaleaen (1993) Ann Otol Rhinol Laryngol 102:209 [PubMed]
  6. Indications for ENT Consultation
    1. Hoarseness persisting beyond 2-3 weeks

IX. Course

  1. Viral upper repiratory infection: 3-8 days

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Related Studies

Ontology: Acute laryngitis (C0001327)

Definition (NCI) An acute inflammatory process affecting the larynx. It is caused by bacteria, viruses, or vocal strain. Signs and symptoms include sore throat, cough, swallowing difficulties, and hoarseness.
Concepts Disease or Syndrome (T047)
ICD9 464.0
ICD10 J04.0
SnomedCT 195690008, 155506009, 6655004
Dutch laryngitis acuut NAO, laryngitis (acuut), acute laryngitis, Acute laryngitis
French Laryngite aiguë SAI, Laryngite (aiguë), Laryngite aiguë
German Laryngitis (akut), akute Laryngitis, Laryngitis akut NNB, Akute Laryngitis
Italian Laringite acuta NAS, Laringite (acuta), Laringite acuta
Portuguese Laringite aguda NE, Laringite aguda
Spanish Laringitis (aguda), Laringitis aguda NEOM, Laringitis aguda, laringitis aguda, SAI (trastorno), laringitis aguda, SAI, laringitis aguda (trastorno), laringitis aguda
Japanese 喉頭炎(急性), 急性喉頭炎, 急性喉頭炎NOS, キュウセイコウトウエン, コウトウエンキュウセイ, キュウセイコウトウエンNOS
English laryngitis acute, acute laryngitis (diagnosis), acute laryngitis, Laryngitis (acute), Laryngitis acute NOS, Laryngitis (acute) NOS, Laryngitis;acute, Acute laryngitis, Acute laryngitis NOS (disorder), Laryngitis, Acute laryngitis (disorder), Acute Laryngitis, Acute laryngitis NOS
Czech Akutní laryngitida, Akutní laryngitida NOS, Akutní zánět hrtanu
Korean 급성 후두염
Hungarian Laryngitis (acut), Laryngitis acut k.m.n., heveny gégegyulladás

Ontology: Acute suppurative laryngitis (C0396038)

Concepts Disease or Syndrome (T047)
ICD10 J04.0
SnomedCT 195686006
English acute suppurative laryngitis (diagnosis), laryngitis acute suppurative, acute suppurative laryngitis, Suppurative laryngitis (acute), Acute suppurative laryngitis, Acute suppurative laryngitis (disorder), Acute laryngitis, suppurative
Spanish laringitis supurativa aguda (trastorno), laringitis supurativa aguda

Ontology: Infective laryngitis (C0729772)

Concepts Disease or Syndrome (T047)
SnomedCT 312423006
Czech Infekční laryngitida
Dutch infectieuze laryngitis
French Laryngite infectieuse
German Infektioese Laryngitis
Hungarian Fertőző laryngitis
Italian Laringite infettiva
Japanese カンセンセイコウトウエン, 感染性喉頭炎
Spanish Laringitis infecciosa, laringitis infecciosa (trastorno), laringitis infecciosa
Portuguese Laringite infecciosa
English Infective laryngitis, Infective laryngitis (disorder)

Ontology: Viral Laryngitis (C0853195)

Definition (NCI) Acute inflammation of the larynx caused by viruses, including rhinovirus, influenza virus, parainfluenza virus, and adenovirus.
Concepts Disease or Syndrome (T047)
SnomedCT 441551009
Italian Laringite virale, Laringite virale NAS
Dutch laryngitis viraal NAO, virale laryngitis, laryngitis viraal
French Laryngite virale SAI, Laryngite virale
German Laryngitis viral NNB, virale Laryngitis
Portuguese Laringite viral NE, Laringite a vírus, Laringite viral
Spanish Laringitis vírica, Laringitis vírica NEOM, inflamación de laringe causada por virus (trastorno), inflamación de laringe causada por virus, Laringitis viral
Japanese ウイルス性喉頭炎, ウイルス性喉頭炎NOS, ウイルスセイコウトウエン, ウイルスセイコウトウエンNOS
Czech Virová laryngitida, Virová laryngitida NOS
English Laryngitis viral NOS, Viral laryngitis, Inflammation of larynx due to virus (disorder), Inflammation of larynx due to virus, Viral Laryngitis, Laryngitis viral
Hungarian virusos laryngitis k.m.n., Viralis laryngitis, virusos laryngitis