Head Intoxication and dizziness. Vertigo, cannot walk in the dark, falling to left or backward. Vertigo, with giddiness and staggering, or with clouded sight, headache (red face, colicky pain and diarrhoea ). Vertigo, head feels drawn backward. Stupefaction with vanishing of vision and hearing, and convulsive movements of head. Headache, with clouded sight and dysecoia . Headaches with tendency to speak incoherently (much relieved.R.T.C .) Anemia of the brain in old people (relieved. R.T.C.). Distressing sensation of lightness and weakness in head. Woke up with fearful headache and extreme sickness, got up at noon but could hardly speak to any one all day, this went on for three days and then left (produced in a woman, 60, fourth day after single dose of ø. R.T.C.). Head feels empty, hollow, sensitive to very sound. Throbbing pains in vertex, with syncope. Congestion of blood to head, with heat. Congestion of blood to head, pulsation in vertex, loss of sight and hearing, bloated, turgid face, total loss of consciousness, and painlessness. Inflammation of brain, with heat and pulsation of vertex, attacks of fainting, loss of sight and hearing, convulsive movements of head, frequently raising head up or bending it backward, better while lying still. Hydrocephalus with convulsive movements of head, sensation of lightness of head, and frequently raising, head up. Painful dark-red swelling of the highly congested head and turgid face, with convulsive movements, delirium, and desire for light and company. Retraction and convulsive movements of head Lifting head frequently from pillow when lying down. Bores head into pillow. Bends head backward. Left side of head numb. Head perspires more than usual.