Familial episodic pain syndrome

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Familial episodic pain syndrome with predominantly upper body involvement

ORPHA:391389Clinical subtype

What it is

A subtype of familial episodic pain syndrome characterized by episodes of severe debilitating pain mainly affecting shoulders, thorax and arms (occasionally radiating to the abdomen and legs), triggered by fasting, fatigue, cold temperatures or physical exercise, which last for 60-90 min and respond poorly to conventional analgesia. Intense pain episodes are accompanied by dyspnea, tachycardia, sweating, generalized pallor, peribuccal cyanosis, and stiffness of the abdominal wall and are followed by a period of exhaustion and somnolence.

Key facts

Prevalence
<1 / 1 000 000
Age of onset
Infancy, Neonatal
Inheritance
Autosomal dominant
Classified as
Clinical subtype

Prevalence figures describe populations, not individuals, and are often estimates from a single study. Where the figure is an incidence or a birth prevalence, it says so.

Gene

TRPA1Disease-causing germline mutation(s) (gain of function)

ICD-10 codes

M79.6filed under a broader ICD-10 category — shared with 2 other rare diseases

ICD-10 has no distinct code for most rare diseases, so many are filed under the nearest available one. A shared code identifies the group, not this disease — the ORPHAcode above is what identifies it.

Related health topics

Reached through the ICD-10 categories this disease is filed under, so these describe the broader group rather than this disease specifically.

Cross-references

MONDO 0014021OMIM 615040UMLS C3808667

Orphadata Science: Free access data from Orphanet. © INSERM 1999. Data version 2026-06-23. Available under CC BY 4.0. This is a reference, not medical advice.

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