眩晕是目眩和头晕的总称,眼花、视物不清和昏暗发黑为眩;视物旋转或如天旋地转不能站立为晕,两者常同时并见,故称眩晕。究其原因有四:一是外邪袭人,邪气循经脉上扰巅顶,清窍被扰,可发生眩晕。二是脏腑功能失调,或肾精亏耗,不能生髓,髓海不足,发生眩晕;或是肝阳上亢,上扰清窍,发为眩晕;或是脾胃不足,气血亏虚脑失所养。三是痰湿中阻,痰湿上犯,蒙蔽清阳而发眩晕。四是淤血内阻,清窍受扰, Vertigo is the general name for dizziness and dizziness, vertigo, blurred vision and dim black to dizzy; depending on the material rotation or such as downturn can not stand for dizzy, often both at the same time and see, it said dizzy. There are four reasons for this: First, exogenous evil people, evil Meridian chaos on top of the disturbance, the clear path was disturbed, can occur dizziness. Second, organs dysfunction, or loss of kidney essence, can not be marrow, marrow shortage, dizziness; or hyperactivity of the liver, the interference of the orifices, made for dizziness; or lack of stomach, blood loss of the brain support. Third, phlegm in the resistance, phlegm on, blind masculine and dizziness. Fourth, congestion resistance, clearance interference,