Below are the main rubriks (i.e strongest indications or symptoms) of Silicea in traditional homeopathic usage, not approved by the FDA.
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Felons, abscesses, boils, old fistulous ulcers
Delicate, pale, waxy
Cracks at ends of fingers
Painless swelling of glands
Scars suddenly become painful
Promotes expulsion of foreign bodies from tissues
Every little injury suppurates
Long lasting suppuration and fistulous tracts
Dry finger tips
Eruptions itch only in daytime and evening
Abscesses of joints
After impure vaccination
Lepra, nodes, and coppery spots
Keloid growths.≡ more ...