• Laryngitis Causes

Causes

Acute Laryngitis:

The most common causes of Laryngitis is a viral infection, from colds or the flu.

Infection can be:

  • Viral: Rhinovirus, influenza virus, parainfluenza virus, adenovirus, coxsackie, coronavirus.
  • Bacterial: group A streptococcus, streptococcus pneumonia, C. diphtheria, M. catarrhalis, H. influenzae, bordetella, pertussis.
  • Fungal: Histoplasma, Blastomyces, Cryptococcus, Coccidioides, Candidiasis in immunocompromised individuals
  • Over Use/Misuse of Voice: Laryngitis from over use of voice can be sudden in onset or an ongoing problem. This is another significant factor in causes of laryngitis.

Chronic Laryngitis:

Chronic hoarseness can occur in many different ways that are unrelated to laryngitis.

Not all hoarseness occurs as a result of an infection or laryngitis. This can also vary from the serious to those not so serious.


Other potential causes of laryngitis of chronic type:

  • Acid reflux – GERD (Gastro Esophageal Reflux Disease)
  • Chronic Sinusitis
  • Excessive Coughing
  • Excessive smoking or consumption of alcohol
  • Overuse or Misuse of the voice like excess talking, singing or shouting, talking too loudly.
  • Prolonged use of Corticosteroid Therapy
  • Thermal or chemical burns
  • Laryngeal trauma-endotracheal intubation
  • Irritation due to allergens ,chemical inhalation, and exposure to chemicals , toxic fumes
  • Vocal cord paralysis
  • Obstruction: Abnormal growths – polyps , tumors

These are important causes of laryngitis.

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