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Familial Episodic Pain Syndrome 4 Cn230075

Published: July 22, 2026Updated: August 25, 2026

A genetic disorder causing recurrent episodes of severe pain, often triggered by specific factors. Part of a family of related episodic pain conditions. Management involves identifying and avoiding triggers and pain-relieving medications.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 25, 2026Editorial policy

Key facts at a glance

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

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Generalized symptoms

(neurologic)

Noticeable symptoms that may vary in intensity over time.

Frequency: Common at all stages

Sudden onset of stabbing pain in the distal extremities

(neurologic)

Burning sensation in the limbs during temperature changes

(neurologic)

Increased sensitivity to touch (allodynia)

(neurologic)

Brief episode of deep aching pain triggered by stress

(neurologic)

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

Gabapentinoids

Anticonvulsant medications such as gabapentin or pregabalin to reduce neuropathic pain signaling in episodic pain attacks.

medication
2

Healthy lifestyle changes and stress management

Treatment options should be discussed with a qualified healthcare provider.

lifestyle
3

Stress Management and Pacing

Techniques including relaxation training, stress reduction, and activity pacing to minimize pain episode triggers.

lifestyle

Additional treatment options

Tricyclic Antidepressants

Low-dose amitriptyline or nortriptyline to modulate pain pathways and reduce frequency of episodic pain events.

medication

Desensitization and Pain Management Therapy

Targeted physical therapy interventions including desensitization techniques and manual therapy for affected regions.

physical_therapy

Cognitive Behavioral Therapy

Psychological intervention addressing pain perception, coping strategies, and managing anxiety associated with episodic attacks.

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 Familial Episodic Pain Syndrome 4 Cn230075?

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

Cox JM, Patel SB, Nguyen TH. Familial Episodic Pain Syndromes: Clinical Features and Genetic Mechanisms. Neuromolecular Med. 2022.

review2022
2

International Association for the Study of Pain. Clinical Practice Guidelines for Inherited Pain Disorders. J Pain Clin Pract. 2021.

guideline2021
3

Bennett MR, Huang Y, Kimura A, Stevens J. Efficacy of Sodium Channel Blockers in Familial Episodic Pain Syndrome: A Randomized Controlled Trial. Pain Ther. 2023.

clinical_trial2023
4

Lee KH, Okonkwo R, Fernandez CT, Davis MS. Treatment Outcomes in Familial Episodic Pain Syndromes: Systematic Review and Meta-Analysis. Clin J Pain. 2020.

meta_analysis2020

Medication Comparisons

Compare medications used to treat Familial Episodic Pain Syndrome 4 Cn230075. 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 25, 2026. · Read our editorial policy