Vertigo caused by a variety of circumstances. Vertigo of Menier's disease cerebral vascular disturbances as a result of cerebral sclerosis ANS dependant circulatory disturbancies. Travel sickness. Mode of action: Argentum nitricum: Vertigo and general instability trembling due to weakness of nerves buzzing noise in the ears indisposition. Cocculus: Acts on the cerebro-spinal system. Vertigo worse when sitting with nausea tendency to vomit and faint. Conium: Cerebral anaemia sensation of giddiness worse when turning over in bed. Sensation of numbness in brain. State of exhaustion in old age. Theridion curassavicum: Vertigo worse when closing eyes when sitting or Iying down from noise exposure to solar heat.