Bell's palsy

Bell's palsy

Bell's palsy

Aetiology
herpes simplex virus and herpes zoster
PATHOLOGICALLY
odema and swelling of the nerve accur witho facial canal ,often at stylmastoid foramen
CLINICAL FEATURES
FEATURES OF LMN PALSY
1 PARALSIS OF ALL THE MUSCLES OF ONE SIDE OF THE FACE
2.Drooping of the palsy ,effacement of creases and skin dole on affected side .
3.weakness of frowning and eyes closures the upper facial muscles are weak .
4. Drooling of saliva from angle of mouth .
5. On asking the patient to show his teeth ,the angle of the mouth deviates away from the side of lesion
6.upon attempted closure of the eyelid .
the eye on the paralysed side rolls upwards .
7. Corneal ulceration due to inability to close the eye during sleep.
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INVESTIGATION
1. ELECTROPHYSIOLOGICAL test
2. To rule out alternate diagnosis , appropriate diagnostic procedures may be necessary.
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TREATMENT
PREDNISOLONE AND ACYCLOVIR
-Prednisolon 1mg/kg /day for 1st wits the dosage tapering off over the 2nd week.
- Aciclovir at a dosage of 800mg five times a day for 5days.   ,