Below are the main rubriks (i.e strongest indications or symptoms) of Natrum Carbonicum in traditional homeopathic usage, not approved by the FDA.
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Roughness, scraping, and dryness of throat and palate.
Throat and oesophagus feel rough, scraped, and dry.
Spasmodic contraction of oesophagus and stomach.
Accumulation of mucus in throat.
Violent hawking up of thick mucus which constantly collects again.
Much nasal mucus passes through the posterior nares.
Swelling of submaxillary glands.≡ more ...