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Laryngitis
Classification and external resources
ICD-10 J04.0, J37.0
ICD-9 464.0-464.4, 476.0-476.1
DiseasesDB 29347
MedlinePlus 001385
eMedicine ent/353 ent/354
MeSH D007827

Laryngitis is an inflammation of the larynx. It causes hoarse voice or the complete loss of the voice because of irritation to the vocal folds (vocal cords). Dysphonia is the medical term for laryngitis and other vocal disorders.

Laryngitis is categorized as acute if it lasts less than a few days.[1] Otherwise it is categorized as chronic, and may last over 3 weeks.

Contents

Causes

  • viral infection
  • bacterial or fungal infection
  • inflammation due to overuse of the vocal cords[2][3][4][5][6]
  • excessive coughing, smoking, or alcohol consumption

Symptoms

Symptoms of laryngitis can vary, depending on the severity and also the cause. The most common, and obvious, symptom is impaired speech, ranging from a raspy hoarseness to the total loss of ability to speak, except at a whisper. Other symptoms can include:

  • Dry, sore throat
  • Coughing, which can be a symptom of, or a factor in causing laryngitis
  • Difficulty swallowing
  • Sensation of swelling in the area of the larynx
  • Cold or flu-like symptoms (which, like a cough, may also be the causing factor for laryngitis)
  • Swollen lymph glands in the throat, chest, or face
  • Fever
  • Difficulty breathing (mostly in children)
  • Difficulty eating

Treatment

In most instances, the symptoms accompanying laryngitis are more directly linked to the causative factor, such as infection. In cases caused by overuse of the voice, symptoms other than vocal impairment may be absent. Laryngitis, hoarseness or breathiness that lasts for more than two weeks may signal a voice disorder and should be followed up with a voice pathologist. This is typically a vocology certified SLP (speech language pathologist) or a laryngologist (voice specialized ENT).

If laryngitis is due to gastroesophageal reflux:

  • The patient may be instructed to take a medication such as Zantac or Prilosec for a period of 4-6 weeks.

If laryngitis is due to a bacterial or fungal infection:

  • The patient may be prescribed a course of antibiotics or anti-fungal medication.

If persistent hoarseness or loss of voice (sometimes called "laryngitis") is a result of vocal cord nodules:

  • Physicians may recommend a course of treatment that may include a surgical procedure and/or speech therapy.
  • Reduction of high-impact stress to the vocal cords caused by loud, frequent, and high-pitched voicing is recommended.

References

  1. ^ University of Michigan Health System. 2005. Laryngitis. McKesson Provider Technologies. Retrieved on May 16, 2007.
  2. ^ Titze IR, Lemke J, Montequin D (1997). "Populations in the U.S. workforce who rely on voice as a primary tool of trade: a preliminary report". J Voice 11 (3): 254–9. doi:10.1016/S0892-1997(97)80002-1. PMID 9297668. http://linkinghub.elsevier.com/retrieve/pii/S0892-1997(97)80002-1.  
  3. ^ Popolo PS, Svec JG, Titze IR (2005). "Adaptation of a Pocket PC for use as a wearable voice dosimeter". J. Speech Lang. Hear. Res. 48 (4): 780–91. doi:10.1044/1092-4388(2005/054). PMID 16378473.  
  4. ^ Titze IR, Hunter EJ, Svec JG (2007). "Voicing and silence periods in daily and weekly vocalizations of teachers". J. Acoust. Soc. Am. 121 (1): 469–78. doi:10.1121/1.2390676. PMID 17297801. http://link.aip.org/link/?jas/121/469&agg=MEDLINE_JAS.  
  5. ^ Nix J, Svec JG, Laukkanen AM, Titze IR (2007). "Protocol challenges for on-the-job voice dosimetry of teachers in the United States and Finland". J Voice 21 (4): 385–96. doi:10.1016/j.jvoice.2006.03.005. PMID 16678386.  
  6. ^ Carroll T, Nix J, Hunter E, Emerich K, Titze I, Abaza M (2006). "Objective measurement of vocal fatigue in classical singers: a vocal dosimetry pilot study". Otolaryngol Head Neck Surg 135 (4): 595–602. doi:10.1016/j.otohns.2006.06.1268. PMID 17011424.  

External links


1911 encyclopedia

Up to date as of January 14, 2010

From LoveToKnow 1911

Medical warning!
This article is from the 1911 Encyclopaedia Britannica. Medical science has made many leaps forward since it has been written. This is not a site for medical advice, when you need information on a medical condition, consult a professional instead.

LARYNGITIS, an inflammation of the mucus of the larynx. There are three chief varieties: acute, chronic, and oedematous. The larynx is also liable to attacks of inflammation in connexion with tubercle or syphilis.

Acute Laryngitis may be produced by an independent catarrh, or by one extending either from the nasal or the bronchial mucous membrane into that of the larynx. The causes are various, "catching cold" being the most common. Excessive use of the voice either in speaking or singing sometimes gives rise to it. The inhalation of irritating particles, vapours, &c., and swallowing very hot fluids or corrosive poisons are well-recognized causes. It may also occur in connexion with diseases, notably measles and influenza. As a result of the inflammation there is a general swelling of the parts about the larynx and the epiglottis, the result being a narrowing of the channel for the entrance of the air, and to this the chief dangers are due. The symptoms vary with the intensity of the attack; there is first a sense of tickling, then of heat, dryness, and pain in the throat, with some difficulty in swallowing. There is a dry cough, with expectoration later; phonation becomes painful, while the voice is husky, and may be completely lost. In children there is some dyspnoea. In favourable cases, which form the majority, the attack tends to abate in a few days, but the inflammation may become of the oedematous variety, and death may occur suddenly from an asphyxial paroxysm. Many cases of acute laryngitis are so slight as to make themselves known only by hoarseness and the character of the cough, nevertheless in every instance the attack demands serious attention. The diagnosis is not, in adults, a matter of much difficulty, especially if an examination is made with the laryngoscope; in children, however, it is more difficult, and the question of diphtheria must not be lost sight of. The treatment is, first and foremost, rest; no talking must be allowed. The patient should be kept in bed, in a room at an even temperature, and the air saturated with moisture. An ice-bag round the throat gives much relief, while internally diaphoretics may be given, and a full dose of Dover's powder if there be much pain or cough.

Chronic Laryngitis usually occurs as a result of repeated attacks of the acute form. It is extremely common in people who habitually over-use the voice, and is the cause of the hoarse voice one associates with street sellers. The constant inhalation of irritating vapours, such as tobacco smoke, may also cause it. There is usually little or no pain, only the unpleasant sensation of tickling in the larynx, with a constant desire to cough. The changes in the mucous membrane are more permanent than in the acute variety, and there nearly always accompanies this a chronic alteration of the membrane of the pharynx (granular pharyngitis). The treatment consists in stopping the cause, where known, e.g. the smoking or shouting. Careful examination should be made to see if there is any nasal obstruction, and the larynx should be treated locally with suitable astringents, by means of a brush, spray or insufflation. Overheated and ill-ventilated rooms must be avoided, as entrance into them immediately aggravates the trouble and causes a paroxysm of coughing.

Oedematous Laryngitis is a very fatal condition, which may occur, though rarely, as a sequence of acute laryngitis. It is far more commonly seen in syphilitic and tubercular conditions of the larynx, in kidney disease, in certain fevers, and in cases of cellulitis of the neck. The larynx is also one of the sites of Angeioneurotic oedema. In this form of laryngitis there are all the symptoms of acute laryngitis, but on a very much exaggerated scale. The dyspnoea, accompanied by marked stridor, may arise and reach a dangerous condition within the space of an hour, and demand the most prompt treatment. On examination the mucous membrane round the epiglottis is seen to be enormously swollen. The treatment is ice round the throat and internally, scarification of the swollen parts, and should that not relieve the asphyxial symptoms, tracheotomy must be performed immediately.

Tubercular Laryngitis is practically always associated with phthisis. The mucous membrane is invaded by the tubercles, which first form small masses. These later break down and ulcerate; the ulceration then spreads up and down, causing an immense amount of destruction. The first indication is hoarseness, or, in certain forms, pain on swallowing. The cough is, as a rule, a late symptom. A sudden oedema may bring about a rapid fatal termination. The general treatment is the same as that advised for phthisis; locally, the affected parts may be removed by one or a series of operations, generally under local anaesthesia, or they may be treated with some destructive agent such as lactic acid. The pain on swallowing can be best alleviated by painting with a weak solution of cocaine. The condition is a very grave one; the prognosis depends largely on the associated pulmonary infection - if that be extensive, a very small amount of laryngeal mischief resists treatment, while, if the case be the contrary, a very extensive mischief may be successfully dealt with.

Syphilitic Laryngitis

Invasion of the larynx in syphilis is very common. It may occur in both stages of the disease and in the inherited form. In the secondary stage the damage is superficial, and the symptoms those of a slight acute laryngitis. The injury in the tertiary stage is much more serious, the deeper structures are invaded with the formation of deep ulcers, which may when they heal form strong cicatrices, which produce a narrowing of the air-passage which may eventually require surgical interference. Occasionally a fatal oedema may arise. The treatment consists of administering constitutional remedies, local treatment being of comparatively slight importance.

Paroxysmal Laryngitis, or Laryngismus stridulus, is a nervous affection of the larynx that occurs in infants. It appears to be associated with adenoids. The disease consists of a reflex spasm of the glottis, which causes a complete blocking of the airpassages. The attacks, which are recurrent, cause acute asphyxiation. They may cease for no obvious reason, or one may prove fatal. The whole attack is of such short duration that the infant has either recovered or succumbed before assistance can be called. After an attack, careful examination should be made, and the adenoids, if present, removed by operation.


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