I had a patient before, he is 53 years old.. He went to the rehab
center for therapy. He had a problem with his face. The left side was
all weak, he can't even close his left eye. The physiatrist diagnosed
it as Bell's Palsy. He thought that it was just an ordinary facial
paralysis. "Bell's Palsy and Facial Paralysis is different", the
doctor said and he came up with comparison

POINTS of COMPARISON BELL'S PALSY FACIAL PARALYSIS

Etiology Unknown CVA, tumors,
vascular lesion

UMNL/LMNL Lower/LMNL Upper/UMNL

Type of lesion Peripheral Central

Distribution ipsilateral contralateral

Muscle tone Flaccid Spastic

Nerve affected Facial Nerve No specific nerve
(all)

Skin Condition Dry Dry

No one knows the cause of Bell's Palsy but there are some common
suspected causes:

- virus