A main tissue/cell salt. Natrum phosphoricum is the remedy for conditions arising from excess of lactic acid, often resulting from too much sugar. Ailments, with excess of acidity. Sour eructations and taste. Sour vomiting. Greenish diarrhœa. Yellow, creamy coating at the back of the roof of mouth and tongue. Inflammation of any part of the throat, with sensation of a lump in throat. Flatulence, with sour risings. Colic. Cracking of joints. Jaundice. Oxaluria.

Indigestion, dydpepsia, nausea, vomiting, flatulence. Insomnia from indigestion. Rheumatism, gout. Jaundice. Nervous irritability. Skin problems, itchy ankles, hives. Sore throat. Canker sores. Mouth ulcers. Blisters on tip of tongue. Bad breath. Discharge of golden-yellow, creamy matter from the eyes. Dilation of one pupil. Whites of eyes dirty yellow. Blood acidity.