Stramonium is a homeopathic remedy for restlessness, headache, profuse sweat, stiff neck, excitability. Worse from shining objects, mirror, surface of water; fright; cloudy days; suppressions; intemperance; touch; dark room; when alone after sleep; swallowing; pressure; sun; water. Better bright light; company; warmth. SOURCE: Robin Murphy Lotus Materia Medica
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