Below are the main rubriks (i.e strongest indications or symptoms) of Nux Vomica in traditional homeopathic usage, not approved by the FDA.
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 ...