Natrum phosphoricum is an acid neutralizer.
It is used in chronic catarrh, yellowish acid diarrhoea, acidic eructation, jaundice, diabetes, renal lithiasis, and nephritis.
It is good for ailments arising from an acid blood condition such as stiffness and swelling of joints and tissues, acne, and infertility.
Keep by the bed in case of sleeplessness caused by indigestion (acidity).
A deficiency of this salt in your body will cause an accumulation of uric acid and therefore cause gout and rheumatism.
The keynote of Natrum phosphoricum is that the root of the tongue has a creamy coating or is golden yellow.

ROLE: Structural, electrochemical, catalytic
MEMORY KEY: Acid remover
INDICATIONS:
Conditions which result from incomplete breakdown and elimination of metabolic acid waste from the tissues (lactic acid and uric acid)
Gastric and urinary acidity
Gout, fibrositis
Degenerative arthritis
Fat intolerance
Muscle stiffness, painful joints
USES:
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Excess acidity in body tissues
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Sour sweat or discharges
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Indigestion with acid reflux or an ulcerative condition
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May be used in gallbladder disease to prevent gallstone formation and promote bile flow
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Exudate: all golden yellow/honey coloured; serous exudate; sour eructations; sour vomiting; leucorrhea; scalding exudate
MODALITIES:
< changeable weather, thunderstorms, open air, fatty rich food, afternoon or evening >stable weather
TONGUE: Creamy or golden yellow coating at back of tongue or roof of mouth; may have acid, coppery taste in mouth
IRIS: Acid wash; stomach zone (hyperchlorhydria); autonomic wreath, flared and white.