Some of the causes of dizziness ,Middle ear disease, Toxic conditions caused by alcohol,Sunstroke, Postural Hypotension( BP lowers upon assuming erect posture). Food poisioning, Infectious disease, Central Nervous system and Brain disease, Hysteria and Gastric peoblems. Fainting causes can be caused by Peripheal Circulatory Failure, Stroke, Cardiac arrythmias, altered blood chemistry as in Hyperventilation or Hypoglycemia. Predisposing factors include Fatigue, Prolonged Standing Nausea, Pain,Emotional Disturbances, Anemia, Dehydration, and Poor Ventilation.

