Below are the main rubriks (i.e strongest indications or symptoms) of Nux Vomica in traditional homeopathic usage, not approved by the FDA.
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Stuffed up, at night especially
Stuffy colds, snuffles, after exposure to dry, cold atmosphere; worse, in warm room
Odors tend to produce fainting
Bleeding in morning ( Bryonia Bry.) Arid discharge, but With stuffed-up feeling.
Coryza; fluent in daytime; Stuffed up at night and outdoors; or alternates between nostrils≡ more ...