... balance (ataxia). Between episodes, many affected individuals experience myokymia, a muscle abnormality that can cause involuntary muscle ... nervous system. In at least one family, isolated myokymia (continuous muscle twitching and spasms without episodes of ...

... disorder in their family. Familial dyskinesia with facial myokymia FDFM Genetic Testing Registry: Dyskinesia with orofacial involvement, autosomal dominant Familial dyskinesia and facial myokymia National Organization for Rare Disorders (NORD) ClinicalTrials.gov ...

... function ADCY5 mutations in familial dyskinesia with facial myokymia. Ann Neurol. 2014 Apr;75(4):542-9. ... Raskind WH. Autosomal dominant familial dyskinesia and facial myokymia: single exome sequencing identifies a mutation in adenylyl ...

... cramps, and involuntary rippling movement of the muscles (myokymia). Autosomal recessive axonal neuropathy with neuromyotonia is a ... recessive neuromyotonia and axonal neuropathy Gamstorp-Wohlfart syndrome Myokymia, myotonia, and muscle wasting NMAN Genetic Testing Registry: ...

... during these episodes. Additionally, a muscle abnormality called myokymia or an eye abnormality called nystagmus can occur during or between episodes. Myokymia causes muscle cramping; stiffness; or continuous, fine muscle ...

... people with BFNS also have a condition called myokymia, which is an involuntary rippling movement of the ...