Below are the main rubriks (i.e strongest indications or symptoms) of Natrum Phosphoricum in traditional homeopathic usage, not approved by the FDA.
Have you ever used Natrum Phosphoricum? Yes No
FEVER AND CHILL
Chilliness (during menses),
Chilly, felt mostly in chest,
Chill, followed by hot flashes around body,
Cold feet (subject to them, but only in winter), (fifty-second day),
Feet icy cold by day, burn at night in bed (during menses),
Cannot get to sleep, feels so hot; thoughts crowd on his mind,
Flashes of heat and sweat evening,
Flashes, every afternoon, headache (lady who, though fifty, never had them before),
Face burns,≡ more ...