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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BACK AND NECK
Neck turned obliquely,
Stiffness of the cervical muscles, they become tense, as if too short, on bending the head forward, for several hours (after one hour),
A dull stiff pain in the nape of the neck,
Pain in the back, (Case 32).
(Tearing pain in the back),
Sticking in the scapulae,
Transient stitches in the left scapula (second day),
Pains in the loins and swelling of the ankles, (Case 40).
Repeated lumbar pains, (Case 39).
Fixed pain in the loins,
Sticking pains in the loins and sides, (Case 40).
Pain in the small of the back, on stooping (second day),
Pain in the small of the back, while walking (fourth day),
Bruised pain in the small of the back, when walking (first day),≡ more ...