Below are the main rubriks (i.e strongest indications or symptoms) of Nux Vomica in traditional homeopathic usage, not approved by the FDA.
RECTUM, ANUS, STOOL
Constipation, with Frequent ineffectual urging, incomplete and unsatisfactory; Feeling as if part remained un expelled
Constriction of rectum
Irregular, peristaltic action; hence Frequent ineffectual desire, or passing but small quantities at each attempt
absence of all desire for defecation is a contraindication
Alternate constipation and diarrhoea - after abuse of purgatives
Urging to stool felt throughout abdomen
Itching, blind hemorrhoids, with ineffectual urging to stool; very painful; after drastic drugs
Diarrhoea after a debauch; worse, morning
Frequent small evacuations
Scanty stool, with much urging
Dysentery; stools Relieve pains for a time
constant uneasiness in rectum
Diarrhoea, with jaundice ( Digitalis Purpurea Dig.)≡ more ...