Femoral nerve palsy is another but much more rare complication.

Few cases of bilateral facial nerve palsy have been reported and is said to only effect 1 in every 5 million per year.

There are rare causes of axillary nerve palsy that do occur.

The most common cause of acute fourth nerve palsy is head trauma.

The cause of congenital fourth nerve palsy is unclear in most cases.

Some eye doctors prefer conservative or no management of congenital fourth nerve palsy.

Sleeping with the head resting on the arm can also cause radial nerve palsy.

One form of this injury is referred to as axillary nerve palsy.

When present at birth, it is known as congenital fourth nerve palsy.

Surgery may be able to improve outcomes in facial nerve palsy that has not recovered.