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All about hemifacial spasm causes of hemifacial spasm symptoms of hemifacial spasm treatment for hemifacial spasm

What're the symptoms of hemifacial spasm?

In 92% of cases, the spasm starts near the eye and progresses down the face over time. In the other 8% it starts near the chin and progresses upward. The twitching is usually not painful, but it can be embarrassing and interfere with normal expression and vision. Hemifacial spasm may develop gradually. Initially, the muscles surrounding the eye may be affected by muscle spasms. The spasms may then spread to other muscles on the same side of the face, particularly the muscles of the jaw and mouth. Some patients experience a clicking sound in the ear on the affected side each time there is a muscle spasm. Hemifacial spasm tends to affect the left side of the face more often than the right. Hemifacial spasm is usually less variable than many focal dystonias, although some sufferers do find that their condition worsens when they are under stress and improves when they lie down.

More information on hemifacial spasm

What is hemifacial spasm? - Hemifacial spasm (also called tic convulsif) is an involuntary twitching of the facial muscles on one side of the face.
What causes hemifacial spasm? - Hemifacial spasms are usually caused by a damaged facial nerve, which carries signals from the brain to the facial muscles.
What're the symptoms of hemifacial spasm? - Hemifacial spasm tends to affect the left side of the face more often than the right. Hemifacial spasm may develop gradually.
What's the treatment for hemifacial spasm? - Treatment of hemifacial spasm usually involves injecting botulinum toxin (Botox) into the affected muscles.
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