Below are the main rubriks (i.e strongest indications or symptoms) of Natrum Phosphoricum in traditional homeopathic usage, not approved by the FDA.
Evening; in bed
With or after chill or fever; during chill
Drinking; after drinking
Sensations in throat and air passages (either from coughing, or causing coughing); from irritation in air passages; in larynx
Comes on suddenly; morning
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