Below are the main rubriks (i.e strongest indications or symptoms) of Arsenicum Album in traditional homeopathic usage, not approved by the FDA.
Dryness, soreness, scraping and burning in fauces and throat.
Sensation of constriction of throat.
Swallowing very difficult and painful.
Paralytic condition of pharynx and oesophagus.
Burning when swallowing; food goes down to region of larynx, when it is ejected again.
Diphtheritic membrane is dry looking and wrinkled.
Voice trembling; weak; unequal, now strong and again weak; hoarse; rough; hollow; loss of voice.
Simulating membranous croup; caused by checked or non appearing eruptions, especially by hives or urticaria.
Laryngeal lining dirty red or anaemic, with bluish-red patches; indolent, or burning ulcers; laryngeal phthisis.
Sudden catarrh, threatening suffocation at night.≡ more ...