What is the reason for the mouth crooked?

Facial paralysis is a common clinical symptoms, refers to facial muscle paralysis. Facial paralysis patients due to healthy side muscle strength, affected side muscle weakness, so when the mouth will pull muscle tilt to healthy side, and affected side in a drooping state, so will show symptoms of mouth tilt. Facial paralysis is divided into central facial paralysis and peripheral facial paralysis. Peripheral facial paralysis can be manifested as incomplete eye closure, can not lift eyebrows, forehead pattern disappeared, can not whistle, bulging cheeks. The patient of central sex facial paralysis shows normal above eye fissure, the part below eye fissure shows and peripheral sex facial paralysis person show similar. When the patient shows the symptom of mouth eye askew, should seek medical attention in time, clear cause, symptomatic treatment.