I have a constant feeling of pressure in back of head and stuffy nose, one side then the other, when trying to sleep at night. After long trial and error I now think I might be allergic to sodium chloride? Could this be true?
These substances are very different.
Using sodium chloride as condiment and preservative in reasonable amounts (2-5 g/day) doesn't cause an allergy; but the sensitivity of peoples to NaCl is different.
Sodium chloride has two atoms in the formula unit (NaCl): sodium and chlorine.
Sodium chloride is a compound.
Sodium chloride is not a cause of cancer.
Sodium chloride is formed from sodium and chlorine.
sodium chloride
Solid sodium chloride is not an electrolyte.Sodium chloride in water solutions or molten sodium chloride are electrolytes.
Sodium and chlorine are the only elements in sodium chloride.
Sodium chloride (NaCl) contain chlorine and sodium.
Sodium Chloride, common table salt, will not burn.
Sodium chloride is neutral.