Below are the main rubriks (i.e strongest indications or symptoms) of Causticum in traditional homeopathic usage, not approved by the FDA.
Sore throat on using exertion, as if it were lacerated internally.
Pain as of excoriation, roughness, scraping, and burning pain in the throat.
Shooting pain in the throat on swallowing.
Audible cracking in the throat.
Constant urging to swallow, with sensation of swelling or of contraction of the gullet.
Difficulty in swallowing, from paralysis of the organs of deglutition.
Sensation of cold which ascends to the throat.
Dryness of the throat, without thirst.
Accumulation of mucus in the throat, and behind the palate, with expectoration by hawking.≡ more ...