Laryngitis Flashcards
What is laryngitis?
Inflammation of the larynx that may manifest in acute or chronic forms
What is acute laryngitis?
Inflammation of the vocal fold mucosa and larynx for < 3 weeks
What is chronic laryngitis?
inflammation of the vocal fold mucosa and larynx for > 3 weeks
What are some causes of acute laryngitis?
Infection of nasopharynx (rhinovirus, adenovirus, influenza)
Bacterial infections ( H. influenzae, S. pneumoniae, S. aureus)
Vocal strain
Inhalation of airborne irritants
What are some causes of chronic laryngitis?
Gastroesophageal reflux disease (GERD)
Smoking
Recurrent URTI
What are the clinical features of laryngitis?
Hoarseness/loss of voice
Dry cough
Fever, dysphagia, and lymph node enlargement
Inspiratory stridor
How is laryngitis diagnosed?
clinical history, examination findings, and laryngoscopy
What is the treatment for laryngitis?
Paracetamol or ibuprofen for pain relief
Antibiotics (either phenoxymethylpenicillin or erythromycin) but not routinely indicated
What are the indications for antibiotics in laryngitis?
systemic upset secondary to the acute sore throat
unilateral peritonsillitis
increased risk from acute infection (such as a child with diabetes mellitus or immunodeficiency)
patients with acute sore throat/acute pharyngitis/acute tonsillitis when 3 or more Centor criteria are present
What is the Centor criteria?
Centor criteria are: score 1 point for each (maximum score of 4)
presence of tonsillar exudate
tender anterior cervical lymphadenopathy or lymphadenitis
history of fever
absence of cough