Hemifacial Spasm Questions & Answers

Updated: Sep 16, 2019
  • Author: Steven Gulevich, MD; Chief Editor: Nicholas Lorenzo, MD, MHA, CPE  more...
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Questions & Answers

Overview

What is hemifacial spasm?

What causes hemifacial spasm?

What is the preferred treatment for hemifacial spasm?

What is the pathophysiology of hemifacial spasm?

Which patient groups have the highest prevalence of hemifacial spasm?

What is the prognosis of hemifacial spasm?

Presentation

Which are the signs and symptoms of hemifacial spasm?

Which physical findings are characteristic of hemifacial spasm?

What are the possible complications of hemifacial spasm?

DDX

How is facial myokymia differentiated from hemifacial spasm?

How is hemimasticatory spasm differentiated from hemifacial spasm?

How are myoclonic movements differentiated from hemifacial spasm?

How is oromandibular dystonia differentiated from hemifacial spasm?

How is craniofacial tremor differentiated from hemifacial spasm?

How is facial chorea differentiated from hemifacial spasm?

How are tics differentiated from hemifacial spasm?

How is tardive dyskinesia differentiated from hemifacial spasm?

What are the differential diagnoses for Hemifacial Spasm?

Workup

How is hemifacial spasm diagnosed?

What is the role of imaging studies in the workup of hemifacial spasm?

What is the role of lab tests in the workup of hemifacial spasm?

Treatment

How is hemifacial spasm treated?

What is the role of botulinum toxin injection in the treatment of hemifacial spasm?

What is the role of medications in the treatment of hemifacial spasm?

What is the role of surgery in the treatment of hemifacial spasm?

Medications

Which medications are used in the treatment of hemifacial spasm?

Which medications in the drug class Anticonvulsants are used in the treatment of Hemifacial Spasm?

Which medications in the drug class Skeletal Muscle Relaxants are used in the treatment of Hemifacial Spasm?

Which medications in the drug class Benzodiazepines are used in the treatment of Hemifacial Spasm?

Which medications in the drug class Neuromuscular Blockers, Botulinum Toxins are used in the treatment of Hemifacial Spasm?