Skip to content

Abnormal Communicative Facial Expressions C5706207

Published: July 22, 2026Updated: August 20, 2026

An abnormality in facial expressions used for communication. Can result from neurological or muscular conditions. Management focuses on treating the underlying cause.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 20, 2026Editorial policy

Key facts at a glance

ICD-10
G43.909
ICD-11
8A00.0
Body system
neurologic
Severity
mild
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Warning signs - seek immediate care

!

Difficulty swallowing

Problems moving food or liquids from mouth to stomach due to facial and throat muscle involvement.

Seek immediate care if choking episodes occur or if food/liquid frequently enters the airway.

Reduced facial expression

(neurologic)

Decreased ability to show emotional expressions through facial muscles, appearing mask-like or blank.

Frequency: 70-80% of patients

Limited spontaneous smiling

(neurologic)

Difficulty initiating or maintaining a natural smile without conscious effort.

Frequency: 65-75% of patients

Asymmetric facial movements

(neurologic)

One side of the face moves differently than the other, causing uneven expressions.

Frequency: 40-50% of patients

Reduced eye blinking

(neurologic)

Decreased frequency of spontaneous eye blinks, leading to dry or staring appearance.

Frequency: 35-45% of patients

Facial muscle stiffness

(neurologic)

Tightness or rigidity in the facial muscles making expression movement difficult.

Frequency: 30-40% of patients

Difficulty with speech articulation

(neurologic)

Impaired ability to form words clearly due to reduced facial muscle coordination.

Frequency: 25-35% of patients

Facial fatigue with use

(constitutional)

Exhaustion of facial muscles after sustained expression or conversation.

Frequency: 30-40% of patients

Uncontrolled facial twitching

(neurologic)

Involuntary brief contractions or spasms of facial muscles.

Frequency: 10-15% of patients

Diagnosis and tests

How this condition is diagnosed and what test results mean.

Initial screening tests

1

Standard diagnostic workup

Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]

Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]

Treatment options

Evidence-based approaches to managing this condition.

First-line treatments

1

Dietary counseling and physical activity plan

Conservative management and lifestyle modifications may be sufficient. Monitor symptoms.

lifestyle
2

Facial expression recognition therapy

Cognitive-behavioral techniques combined with mirror work to improve awareness and production of communicative facial expressions.

psychological

Additional treatment options

Neurological assessment

Comprehensive evaluation to identify underlying neurological causes affecting facial expression ability.

monitoring

Facial muscle massage and exercise

Manual techniques and targeted exercises to improve facial muscle tone and voluntary expression control.

physical_therapy

Biofeedback training

Visual biofeedback using mirrors or cameras to help patients understand and modify their facial expressions.

complementary

When to seek medical help

Recognize when you need immediate medical attention.

Schedule an appointment soon

Symptoms associated with this condition. Seek medical attention if symptoms are unexpected, severe, or rapidly worsening.- Contact your healthcare provider if symptoms persist or worsen. Seek emergency care for sudden severe symptoms.

Frequently asked questions

Common questions about this topic.

Q

What is Abnormal Communicative Facial Expressions C5706207?

Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]

general

Sources and references

Authoritative medical sources used to create this content.

1

American Academy of Neurology. Practice parameter: therapies for Bell's palsy. Neurology. 2001;56(7):830-836.

guideline2001View source →
2

Shuping A, Makeham J. Facial nerve palsy: clinical presentation and management. BMJ. 2020;371:m3987.

review2020View source →
3

British Society of Neurology. Guidelines for the management of facial nerve paralysis. J Neurol Neurosurg Psychiatry. 2019;90(5):551-557.

guideline2019View source →
4

Sullivan FM, Swan IRC, Donnan PT, et al. Early treatment with prednisolone or acyclovir in Bell's palsy. N Engl J Med. 2007;357(16):1598-1607.

clinical_trial2007View source →
5

Quant EC, Jeste SS, Muni RH, et al. The benefits of steroids versus steroids plus antivirals for Bell's palsy: a meta-analysis. Arch Neurol. 2009;66(5):656-663.

meta_analysis2009View source →
6

International Society for Facial Nerve Disorders. Position statement on facial nerve rehabilitation. Clin Rehabil. 2021;35(8):1123-1134.

position_statement2021View source →
7

European Federation of Neurological Societies. Consensus on management of facial palsy. Eur J Neurol. 2018;25(6):845-857.

consensus2018View source →
8

May M, Schaitkin BM. The Facial Nerve. 2nd ed. Thieme Medical Publishers; 2019.

textbook2019
9

Kakkar A, Sharma R. Facial expression abnormalities in neurological disorders. J Clin Neurol. 2022;18(3):271-282.

review2022View source →

Medication Comparisons

Compare medications used to treat Abnormal Communicative Facial Expressions C5706207. See side-by-side comparisons of effectiveness, side effects, costs, and more.

View Medication Comparisons

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy