Belladonna acts upon every part of the nervous system, producing active congestion, furious excitement, perverted special senses, twitching, convulsion and pain. It has a marked action on the vascular system, skin and glands. Belladonna always is associated with hot skin, flushed face, glaring eyes, throbbing carotids, excited mental state, hyperaesthesia of all senses , delirium, restless sleep , convulsive movements, dryness of mouth and throat with aversion to water ,neuralgic pain that comes and go suddenly. Belladonna stands for violence of attack and suddenness of onset, bell for extreme of thyroid toxaemia. Reference: ENCYCLOPAEDIA OF HOMOEOPATHIC PHARMACOPOEIA
Edited by DR.P.N.VERMA & DR. INDU VAID.