raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:581271

Cramp-fasciculation syndrome

Type
Disease
Group
Disorder
Inheritance
Autosomal dominant
Age of onset
Adult
Status
active

A rare genetic neurological disorder characterized by adult onset of peripheral nerve hyperexcitability causing painful muscle cramps and fasciculations in the limbs, hyperreflexia, stiffness, and muscle pain. Other hypersensitivity-hyperexcitability symptoms are asthma, gastroesophageal reflux, migraine, tremor, cold hyperalgesia, and cardiac conduction defects. Autonomic signs and symptoms, neuropathic pain, cognitive deficits, and anxiety are also observed.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enCramp-fasciculation syndrome
frSyndrome crampes-fasciculations
deKrampus-FaszikulationssyndromMyalgie-Faszikulations-Krampus-Syndrom
esSíndrome de calambres-fasciculaciones
itSindrome da crampi e fascicolazioni
nlSpierkramp - fasciculatie-syndroom
ptSíndrome cãibra-fasciculação
plZespół kurczowo-fascykulacyjny
csSyndrom křečí a fascikulace
ukСудомно-фасцикуляторний синдром
zh肌痛性痉挛-肌束震颤综合征
trKramp-fasikülasyon sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM604775Evalidated
ICD-10G90.8NTBTattributedvalidated
MONDO0035586Evalidated
UMLSC0751381Evalidated
GARD6205Evalidated
MedDRA10081974Evalidated

E exact · NTBT this ORPHAcode is narrower than the target · BTNT broader than the target · ND not decided.

3

Classification

Preferential parent (Orphanet linearisation):

Parents in the classifications (3):

No children.

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
TRPA1Disease-causing germline mutation(s) inAssessedHGNC:497ENSG000001043216047758q21.11transient receptor potential cation channel subfamily A member 128436534[PMID]
5

Prevalence and incidence

0 records

No prevalence record in this release.

6

HPO phenotypes

Orphanet has no HPO annotation for this code in this release.

7

Sources for this card