Below are the main rubriks (i.e strongest indications or symptoms) of Selenium in traditional homeopathic usage, not approved by the FDA.
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Pulse very little accelerated.
Hoarseness on beginning to sing (or from singing; talking or long reading; voice hoarse and husky).
Hawking up of mucus and of small clots of blood.
Cough in morning, which fatigues whole chest, with expectoration of blood and small globules of mucus.
Difficulty of breathing when walking in open air.
Frequent efforts to breathe deeply, like sighing.
Respiration obstructed at night, when lying down, by pains in chest, side, and loins.≡ more ...