Acts powerfully upon the motor nervous system, causing a passive congestion of the brain and spinal cord, and as a result giving rise to general prostration and paralysis of the whole muscular system, both voluntary and involuntary. The circulation is increased, the mental powers become sluggish, the mucous membranes are irritated and inflamed, the conditions resembling remittent and catarrhal types of fever are manifest. The leading expression of Gelsemium is its low nervous condition, manifested by drowsiness, languor, disposition to be quiet, and erethism. Characteristic symptoms.