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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Copious urine, (Cases 4 and 8).
Urine more profuse and lighter colored than usual,
Profuse urine, clear as water; he was obliged to urine several times at night, contrary to his custom,
Profuse urine during the menses, (Case 17).
Profuse urine and perspiration, during the menses, (Case 18).
Scanty secretion of urine,
Urine quite natural, light color,
Urine yellow, turbid even while passing, afterwards depositing a whitish gray sediment,
Urine dark, much less than usual,
Spasmodic contraction in the region of the bladder, with frequent urging to urinate,
Paralysis of the bladder,
Urging to urinate,
(Frequent urging to urinate, with scanty urine (first two days); (profuse urine), (third and following days),
Micturition frequent, but the amount of urine not increased,
Frequent micturition at night,
Micturition more frequent and urine more profuse than usual,
Very frequent micturition, with rumbling in the bowels, (Case 17).
Micturition difficult, not without pressing, (Case 11).
Bladder so influenced as not to discharge its contents but by partial efforts (after two hours),
Retention of urine,
Suppression of urine for twenty-two hours,
Urine suppressed with dragging in the bladder,
Tearing-drawing pains in the testicles,
Excitement of the genitals, erections without excited fancies (after half an hour),
Frequent and constant erections, after a meal (after five hours),
Impotence in a man, lasting two months,
Desire for coition,
Great sexual desire during the day,
Unusually great sexual desire, preceded by long-continued indifference,≡ more ...