What is it?

Hemifacial spasm is a nervous system disorder in which the muscles on one side of your face twitch involuntarily. It is most often caused by a blood vessel affecting the facial nerve by touching or pulsating against it. It may also be caused by a facial nerve injury or a tumor, or sometimes without a known cause.

8 Alikes with Clonic hemifacial spasm

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Signs & symptoms

Common symptoms of hemifacial spasm include twitching or contracting of muscles in the face with features of:
- On sided
- Uncontrollable, independent
- Painless


To diagnose your condition, your healthcare provider will conduct a physical examination and check for signs of hemifacial spasm. To look after the cause of your condition and provide to you the most appropriate treatment, imaging tests may be included.


Treatment options include:
- Botulinum injections - botulinum toxin (Botox) is injected to your facial muscles to temporarily paralyze those muscles. This treatment is very effective in relieving symptoms in most people.
- Other medications such as anticonvulsant drugs, can relieve hemifacial spasm in some people.
- Surgery. There are several types of surgery that can help relieve hemifacial spasm. The most popular surgery is the decompression surgery in which your surgeon locates the blood vessel that is pressing on your facial nerve and releases it.

☝️ This is not a substitute for professional medical advice. Please consult with your physician before making any medical decision.

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