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 the left, which extends beyond the temple.

Stomach and Abdomen.

Sourish taste ; sourish eructations.

Distended abdomen, with a feeling of heaviness in it, followed by emission of a quantity of wind and eructations.

Flatulence, with pressure in the pit of the stomach and under the sternum.

[5] Painful retraction of the abdominal muscles towards the spinal column.

Stool and Anus.

Constipation ; the stool is discharged with difficulty, slow, and with the sensation after the stool as if the feces were still remaining.