Disturbance of facial expression

What it means

An abnormality of the gestures or movements executed with the facial muscles with which emotions such as fear, joy, sadness, surprise, and disgust can be expressed.

Rare diseases that can present with this1

The range is how often this sign appears among people diagnosed with each disease — it is not a probability of having any of them. Many of these signs also occur in common, non-rare conditions. A sign on this page is a conversation to have with a clinician, not a conclusion.

Part of the broader category