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4 5 Toe Syndactyly C1837836

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

Fusion of the 4th and 5th toes, present from birth. May affect balance or cause difficulty with footwear. Surgery can separate the toes if needed.

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

Key facts at a glance

ICD-10
Q79.9
ICD-11
LA00.0
Body system
musculoskeletal
Severity
mild
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Joint pain or stiffness

(musculoskeletal)

Mild symptoms that may not significantly impact daily life.

Frequency: Common at all stages

Syndactyly of fourth and fifth toes

(musculoskeletal)

Adjacent toe connection

(musculoskeletal)

Foot arch abnormality

(musculoskeletal)

Difficulty wearing shoes

(musculoskeletal)

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

Conservative Foot Care

Regular observation and care of toe syndactyly with focus on preventing skin problems, ensuring proper hygiene, and monitoring for any functional changes during growth.

monitoring
2

Healthy lifestyle changes and stress management

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

lifestyle
3

Toe Separation Procedure

Surgical release of webbed toes performed when syndactyly causes recurrent skin infections, significant gait abnormalities, or severe cosmetic concerns affecting quality of life.

surgical

Additional treatment options

Foot Hygiene Protocol

Enhanced foot care routine including thorough drying between webbed toes, antifungal prevention measures, and appropriate nail care to reduce infection risk.

lifestyle

Foot Mapping and Biomechanical Assessment

Detailed analysis of toe positions and foot biomechanics to identify any subtle functional limitations and guide recommendations for activities or footwear.

complementary

Cosmetic Counseling and Support

Psychological support addressing appearance concerns, particularly for those who wish to wear open-toed footwear or participate in activities where feet are visible.

psychological

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 4 5 Toe Syndactyly C1837836?

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

Goldberg MJ, Waters PM, Bae DS. Evaluation and Treatment of Congenital Upper and Lower Extremity Differences. American Academy of Orthopaedic Surgeons Clinical Practice Guideline. 2021.

guideline2021
2

Kowalski R, Morrison CM. Syndactyly of the Lesser Toes: Surgical Techniques and Clinical Outcomes. J Foot Ankle Surg. 2020.

review2020
3

Nakamura Y, Tanaka H, Yamamoto S. Surgical Correction of Fourth and Fifth Toe Syndactyly: A Retrospective Review of 45 Cases. Foot Ankle Int. 2018.

other2018
4

Ferreira MA, Okonkwo C, Patel R, Weiss AP. Comprehensive Analysis of Lesser Toe Syndactyly Outcomes: Systematic Review and Meta-Analysis. Plast Reconstr Surg. 2022.

meta_analysis2022

Medication Comparisons

Compare medications used to treat 4 5 Toe Syndactyly C1837836. 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