Ambra Grisea is a homeopathic remedy for nervousness, with impairment of all functions, weakness, coldness and numbness, usually of single parts, fingers, arms, etc. One-sided complaints call for it.Worse music; presence of strangers; from any unusual thing; morning, warm room. Better, slow motion in open air; lying on painful part; cold drinks. Source: Boericke Materia Medica
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