Changes observed during the recovery phase of facial paralysis

Facial Synkinesis

Related terms · Simultaneous movement after facial paralysis · Eyes closing when smiling

Facial synkinesis is a condition where facial movements other than the intended ones occur simultaneously during the recovery process of facial nerve palsy, such as the eyes closing when moving the mouth.

Reviewed by Korean Medicine Doctor Yeon-seung Choi · Last updated 2026-08-26

Meaning and Distinctions

What is facial synkinesis?

This does not mean there is no recovery; we examine which facial expressions trigger it and how uncomfortable the pulling or spasms are. Facial synkinesis Facial palsyis a condition where unintended facial movements occur simultaneously with intended ones, such as the eye closing when moving the mouth during the recovery process.

Easily confused terms
acute facial palsy or hemifacialFacial Spasmspasm differs in terms of onset timing and the range of movement.
Why this is checked during medical evaluation
Following eye protection and acute phase treatment, we specifically examine facial function and daily life inconveniences during the recovery stage.
What to note down for your visit
Please record a short video of the facial expressions that cause discomfort, such as closing your eyes, smiling, or pursing your lips.

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Evidence and Update Information

The following materials were referenced to verify the basis and scope of the definitions and treatment descriptions.

  1. NINDS: Bell’s palsy
Summary and review information for this page

Reviewing Medical Staff

Choi Yeon-seung, Doctor of Korean MedicineChief Director · Editor of Korean Medicine Atlas · BRC Researcher

Page Summary

Facial synkinesis is a condition where facial movements other than the intended ones occur simultaneously during the recovery process of facial nerve palsy, such as the eyes closing when moving the mouth.

What this page covers

What is explained
What should be checked first regarding the meaning of facial synkinesis?
What situations are covered
This does not mean there is no recovery; we examine which facial expressions trigger it and how uncomfortable the pulling or spasms are.
What distinctions are made
Meaning of facial synkinesis: This does not mean there is no recovery; we examine which facial expressions trigger it and how uncomfortable the pulling or spasms are.
How should this be understood
Facial synkinesis is a condition where unintended facial movements occur simultaneously with intended ones, such as the eye closing when moving the mouth during the recovery process of facial palsy.

Key Points

  • Meaning of facial synkinesis: This does not mean there is no recovery; we examine which facial expressions trigger it and how uncomfortable the pulling or spasms are.
  • Difference from similar conditions: It differs from acute facial palsy or hemifacial spasm in terms of onset timing and the range of movement.
  • Reason for checking during medical evaluation: Following eye protection and acute phase treatment, we specifically examine facial function and daily life inconveniences during the recovery stage.

References cited on this page

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