Viral Labyrinthitis Flashcards
What primarily causes viral labyrinthitis?
Viral infections, often following upper respiratory tract infections.
Common viral pathogens include Influenza virus, Herpes simplex virus, Cytomegalovirus, and Varicella-zoster virus.
What age group is predominantly affected by viral labyrinthitis?
Adults aged 40-70 years.
What are the characteristic clinical features of viral labyrinthitis?
Severe vertigo not triggered by head movement, nausea and vomiting, hearing loss, and tinnitus.
How does vertigo present in viral labyrinthitis?
It is characteristically severe and worsens with movement.
What type of hearing loss can occur with viral labyrinthitis?
Hearing loss can be unilateral or bilateral and varies in severity.
What preceding symptoms are commonly reported by patients?
A recent upper respiratory tract infection.
What is crucial in the diagnostic approach for viral labyrinthitis?
A thorough history and clinical examination.
What role does nystagmus play in diagnosing viral labyrinthitis?
Nystagmus directionality helps localise the affected side.
What confirms sensorineural hearing loss in viral labyrinthitis?
Audiometry.
What is the typical prognosis for viral labyrinthitis?
Most cases resolve spontaneously within weeks.
What medications can be used for dizziness management?
Prochlorperazine or antihistamines.
When may corticosteroids be considered in viral labyrinthitis?
In severe cases to reduce inflammation.
Why is follow-up important in viral labyrinthitis management?
To monitor recovery and address any persistent symptoms.
