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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Constriction of the throat, nose, and chest.
Heat in the chest.
Palpitation of the heart.
Anxiousness about heart which prevents him resting anywhere.
Pulse, small, slow, almost imperceptible.
Breathes easier lying down.
Breathing difficult with anxiety, agg. every evening, must sit up.
Cough dry, backing, agg. at night, with gagging; comes suddenly while smoking.
Suffocating constriction in the throat and nose.
Short, dry cough, with painful tension in the l. hypochondrium.
Difficult respiration, as from hydrothorax.
Accelerated, or deep and slow respiration.≡ more ...