Below are the main rubriks (i.e strongest indications or symptoms) of Hyoscyamus Niger in traditional homeopathic usage, not approved by the FDA.
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RECTUM, ANUS, STOOL
Diarrhoea, colicky, pains; Involuntary, aggravated by mental excitement or during sleep
Diarrhoea during the lying-in period
Involuntary defecation.≡ more ...