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Myoclonus: clustered while awake

Myoclonus: clustered while awake

Symmetrical jerks involving lower extremities result in momentary elevation of both knees occurring in small clusters at frequent intervals. Walters AS, Hening WA, Chokroverty S. Review and videotape recognition of idiopathic restless legs syndrome. Mov Disord 1991;6:105-10. Used by permission.

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Associated Disorders

  • ALS
  • Alcohol use (lcohol abuse and its neurologic complications)
  • Amyotrophic lateral sclerosis
  • Ankylosing spondylitis
  • Antihistamines
  • Antinausea drugs
  • Antipsychotic drugs
  • Arborizing telangiectasia of the lower limbs
  • Attention deficit hyperactivity disorder
  • Brainstem strokes
  • Caffeine
  • Cardiovascular events
  • Chronic obstructive pulmonary disease
  • Cigarettes
  • Coffee
  • Congestive heart failure
  • Diabetes mellitus
  • Diphenhydramine
  • End-stage renal disease (Renal failure: neurologic complications)
  • Epilepsy
  • Essential tremor
  • Familial amyloid polyneuropathy
  • Fibromyalgia
  • Fluoxetine
  • Gastric disease or surgery
  • Haloperidol
  • Hemodialysis (Renal failure: neurologic complications)
  • Hepatitis C virus (Hepatitis viruses: neurologic complications)
  • Huntington disease
  • Hypersomnolence
  • Iron deficiency
  • Iron deficiency anemia
  • Isaacs syndrome (Neuromyotonia and myokymia)
  • Marburg virus (Viral hemorrhagic fevers: neurologic complications)
  • Metoclopramide
  • Migraine (Migraine: clinical aspects)
  • Multiple sclerosis (Multiple sclerosis: clinical aspects)
  • Myasthenia gravis
  • Nerve damage (Clinical evaluation of peripheral neuropathies)
  • Neuromyelitis optica spectrum disorders
  • Neuropathy (Clinical evaluation of peripheral neuropathies)
  • Nicotine
  • Obesity (Neurologic disorders associated with obesity)
  • Obstructive sleep apnea
  • Parkinson disease
  • Periodic limb movements
  • Peripheral neuropathy (Clinical evaluation of peripheral neuropathies)
  • Phenothiazine derivatives
  • Poliomyelitis
  • Polyneuropathy (Clinical evaluation of peripheral neuropathies)
  • Post-polio syndrome
  • Pregnancy (Pregnancy: neuromuscular complications)
  • Prochlorperazine
  • Rheumatoid arthritis: neurologic manifestations
  • SCA3 (Autosomal dominant hereditary ataxias)
  • SSRIs
  • Sertraline
  • Sleep deprivation (Insufficient sleep syndrome)
  • Sleep-related eating disorder
  • Spinal anesthesia (Epidural anesthesia)
  • Spinocerebellar ataxia 3 (Autosomal dominant hereditary ataxias)
  • Startle disease
  • Stiff-person syndrome
  • Tourette syndrome
  • Uremic neuropathy