Below are the main rubriks (i.e strongest indications or symptoms) of Helleborus Niger in traditional homeopathic usage, not approved by the FDA.
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Forehead wrinkled in folds
Rolls head day and night; moaning, sudden screams
Bores head into pillow; beats it with hands
Dull pain in occiput, with sensation of water swashing inside
Headache culminates in vomiting.≡ more ...