Benign fasciculation syndrome

Clinic

• BFS is characterized by fasciculation (twitching) of voluntary muscles
• It can occur in any voluntary muscle group Esp in eyelids, arms, hands, fingers, legs, feet and Tongue.
• Twitching may be occasional to continuous.

Entities

• Fasciculation

• Generalized fatigue or weakness
• Paraesthesia / Numbness
• Muscle Cramping / Spasms /Stiffness (In presence of severe cramp, the syndrome named as Cramps fasciculation syndrome)
  • Cramp fasciculation syndrome is a variant of BFS which presents with muscle pain and exercise intolerance.
• Anxiety / Somatic symptom disorders and symptoms are commonly reported.

Entity / Miasms

	PLV	TBE
Fasciculation	+++	+++
Fatigue	+++	+++
Paraesthesia	+++	+++
Anxiety	+++	+++

Causes

• The precise cause of BFS is unknown

Related disease

• BFS and the variant cramp fasciculation syndrome can be regarded as part of a larger spectrum of disease that also incorporates acquired auto-immune neuromyotonia.
• Motor neuron diseases (MND) such as ALS, neuropathy, and spinal cord diseases.

Miasms

WNE: It has also been known to cause BFS-like symptoms, such as tremor, muscle twitching, and perceived muscle weakness/fatigue. Patients can expect a full recovery, as reported on the subreddit BFS.