Below are the main rubriks (i.e strongest indications or symptoms) of Natrum Carbonicum in traditional homeopathic usage, not approved by the FDA.
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Earache in the left ear (aft. 14 d.).
Earache, with drawing pain in the articulation of the right jaw, extending into the mouth and the right side of the tongue, which pains when it strikes against the teeth; in the evening, when walking in a cool breeze.
Pinching and explosion in the right ear, in the morning.
Fine intermitting tearing in the right ear.
Pressure and tearing in the ear.
Shooting in the ears and out from the ears, frequently sharp and penetrating.
Shooting in the ears from time to time; ceasing on opening the mouth, recurring on closing it (10th d.).
Shooting inward into the left concha (6th d.).
Itching shooting in the left lobule; it ceases after rubbing and squeezing it.
Tickling in the left external meatus auditorius, in the morning.
In the parotid gland, which is also painful when touched, a shooting pain.
Sensation of obstruction in the right ear, with diminution of the hearing.
Ringing in the ears, on turning the head.
Music in the ears, like far-off humming of a bag-pipe, when lying in the bed, on his back; when he raises himself, it diminishes, but recurs after sitting for a while, and ceases on lying down; but it soon returns after lying down; with some earache (23d d.).
Whizzing about the head and throbbing in the left ear.
Violent roaring in the ears (aft. 22 d.).
More violent rushing sound in the ears (aft. 4 d.).≡ more ...