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Mygale Lasiodora: A Spider Remedy for Chorea

By ILH Editorial
April 7, 2026· 2 min read
Mygale Lasiodora: A Spider Remedy for Chorea
Remedy of the DayILH Editorial · April 7, 2026 · 2 min

Mygale Lasiodora, from the Cuban black spider, is one of homeopathy's most specific remedies for chorea — involuntary jerking movements. First proved by Dr. Houard from Cuba, it is studied for its affinity with the face, head, and limbs when uncontrolled twitching is the main feature.

What Is Mygale Lasiodora?

Mygale Lasiodora is a homeopathic remedy prepared from the venom of the Cuban black spider (Mygale lasiodora), first proved and introduced by Dr. Houard of Cuba. Like other spider remedies in homeopathy, it is associated with restlessness, nervous excitability, and irregular or spasmodic muscular activity. Its most specific indication is chorea — a neurological condition characterised by involuntary, irregular movements.

Key Characteristics

  • Involuntary, jerking or twitching movements of the muscles — particularly the face
  • The head may be jerked to one side, typically the right
  • Twitching of facial and limb muscles that persists during waking hours
  • Low spirits and depression accompanying the physical symptoms
  • Dull, heavy headache
  • Symptoms are most marked during the day and cease during sleep

Mental Picture

The mental state in Mygale Lasiodora tends to be subdued and melancholic. The individual is often low-spirited, dull, and without enthusiasm. Unlike some other spider remedies that feature agitation and excitement, Mygale tends toward a heavier, more depressed emotional quality — a sense of being dragged down by the body's uncontrolled behaviour.

Physical Picture

The primary and most characteristic feature is involuntary muscular movement — especially in the face, where constant twitching and grimacing may be present. The head is often jerked involuntarily to the right. The limbs may also be affected with irregular, purposeless movements. These movements cease during sleep, which is a distinguishing clinical observation.

When Is It Considered?

Homeopaths may consider Mygale Lasiodora when:

  • There are involuntary, irregular muscular movements (chorea-like symptoms)
  • Facial twitching or grimacing is the most prominent feature
  • The head jerks involuntarily, especially to the right
  • Symptoms subside during sleep but return during waking hours
  • The person appears low-spirited and dull alongside the physical movements

Note: Always consult a qualified homeopath before using any remedy. This article is for educational purposes only.

Seek urgent care if:
  • Severe symptoms should be assessed by a qualified clinician
  • Breathing difficulty, chest pain, or neurological symptoms need urgent care
  • Do not delay emergency treatment while reading educational content
Educational purpose only. This content does not replace medical advice, diagnosis, or treatment. Please consult a qualified practitioner before starting or stopping any treatment.
mygale lasiodoracuban black spiderchoreainvoluntary movementsfacial twitchinghomeopathic remedyspider remediesnervous systemremedy of the day

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