Below are the main rubriks (i.e strongest indications or symptoms) of Penthorum in traditional homeopathic usage, not approved by the FDA.
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Catarrhal aching in forehead,
The fulness in the sinciput became an ache, as though a weight pressed down upon it (second day),
Headache continued, could not read; went to hear Boutwell, followed his argument with difficulty, was much annoyed by the little noises made by the audience (second day),
Headache came on again (third day),
(When commencing the proving, had a dull, heavy headache, with heat and soreness in the sacrum; this was cured), (third day),
An unpleasant heavy pain in the forehead, about the edge of the hair (after four hours),
Itching of the hairy scalp (second day),≡ more ...