Below are the main rubriks (i.e strongest indications or symptoms) of Helleborus Niger in traditional homeopathic usage, not approved by the FDA.
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A flapping as of mucus in the throat, on every inspiration, but not on expiration, even if not forcible, which was like the opening and shutting of a valve (second day),
Burning and dryness of the throat (first day),
Sticking low down in the throat (first day),
Sore throat; on swallowing, a pressure and feeling of soreness in the throat,
Rawness if the throat, as after acrid liquor (after half an hour),
Scraping in the throat,
Scraping and sticking in the throat (twentieth day),
Scraping in the fauces from 10 to 1, and again from 10 to 11 P.M. (tenth day),
Scraping and dryness in the fauces, lasting six hours (after one hour),
Pain in the cervical glands,≡ more ...