Tarentula Hispana is a homeopathic remedy for extreme restlessness, headache, twitching and jerking of legs, vertigo. Worse from rest; periodically, yearly, at the same hour; touch; cold; damp; night; evening; after menses; sex aggravates; motion; contact; noises; seeing others in trouble; washing the head, hands in cold water. Better open air; music; bright colors; from pressure, rubbing affected parts; relaxation; sweating; smoking; riding in a carriage in the sun; motion improves headache; warm water. SOURCE: Robin Murphy Lotus Materia Medica
You can find Tarentula Hispana Pills at Remedy Source.