Three theories exist to explain the facial nerve dysfunction found in hemifacial spasm.

The most common finding is oculomotor nerve dysfunction leading to ophthalmoplegia.

This is often accompanied by ophthalmic nerve dysfunction, leading to hypoesthesia of the upper face.

Diplopia is the most common symptom of cranial nerve dysfunction.

The patient may present with a single cranial nerve or peripheral nerve dysfunction.

Symptoms include ataxia, peripheral neuropathy and other forms of nerve dysfunction.

If the cause of the nerve dysfunction can be identified and successfully treated, there is a possibility of full recovery.

Conditions that can lead to axillary nerve dysfunction include:

Tests that may be used to evaluate axillary nerve dysfunction include:

Call for an appointment with your health care provider if you have symptoms of axillary nerve dysfunction.