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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Pain and heat in head, after a meal.
Headache, better walking.
Heaviness, vacant feeling, confusion, severe pain; pains in meninges; pressure in left side of forehead, changing to shooting.
Catches cold in head, especially from dry, cold air.
Rolling the head.
Head sinks on one or other side.
Congestion to head.
Cerebral hyperaemia, delirious, unconscious, blue-red face; red, sparkling eyes.
Heat and tingling in head; pulsations, like waves, head shakes; worse becoming cold, after eating; better bending head forward, and from heat.
Brain feels as if loose.
Stupor; shakes head to and fro; swashing sensation in brain.≡ more ...