All::Neurology::Diseases::Bell's palsy

Intro

What is Bell's palsy?

an acute, unilateral, idiopathic, facial nerve paralysis of unknown aetiology

When is the peak incidence of Bell's palsy?

20-40 years

Which patient group is Bell's palsy most common?

pregnant women

How can you differentiate between Bell's palsy and an upper motor neuron lesion?

upper motor neuron lesion 'spares' the forehead

What are the symptoms of Bell's palsy?

paralysis, post-auricular pain (may precede paralysis), altered taste, dry eyes, hyperacusis

What is the management of Bell's palsy?

prednisolone, antivirals for severe facial palsy, eye care

When should steroids be given in Bell's palsy?

oral prednisolone within 72 hours of onset of Bell's palsy

When would a Bell's palsy warrent an urgent ENT referral?

After 3 weeks of no improvement

If Bell's palsy is left untreated how many patients have permiant damage?

15%