Below are the main rubriks (i.e strongest indications or symptoms) of Natrum Sulphuricum in traditional homeopathic usage, not approved by the FDA.
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Nose-bleed before menses; during menses (in afternoon); stops and returns often.
Coryza, with obstruction of nose, which scarcely permits respiration.
Sneezing, with fluent coryza.≡ more ...