Below are the main rubriks (i.e strongest indications or symptoms) of Agnus Castus in traditional homeopathic usage, not approved by the FDA.
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BACK AND NECK
Corrosive itching of the nape of the neck and of various other parts,
Excessive, deep, sharp stitches in the coccyx,
Deep stitches, going and coming, on the left side, near the os sacrum and the coccyx (after three hours),≡ more ...