Natrum Nitricum. Nitrate of Sodium. Cubic Nitre. Chili Saltpetre. Sodic Nitrate. NaNO3, Trituration. Solution.   Clinical.-Anaemia. Constipation. Debility. Distension. Flatulence. Otalgia. Otitis.   Characteristics.-Na. n. has had a considerable proving,

Natrum nitricum. Ears. Otalgia ; the pain seems to be in the tympanum, in the evening ; with warmth in the ear, coldness of the right concha, burning heat of