Below are the main rubriks (i.e strongest indications or symptoms) of Natrum Phosphoricum in traditional homeopathic usage, not approved by the FDA.
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Moist, golden-yellow, or creamy coating back part of roof of mouth (S).
Tries to say a word, but it will not come out; feels as if something closed in throat preventing speech.
Gums and teeth
Teeth in morning and mouth all day covered with a brownish mucus.
Gumboils on molars.
Tongue coated dirty white, brown centre.
Sensation of hairs on tip of tongue, followed by prickling numbness of whole mouth.
Stinging on tip of tongue.
Bad taste (coppery) on waking.≡ more ...