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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Pain in the eyes, in the morning (aft. 17 d.).
Pain in the bones of the orbit.
Sensitiveness of the eyeballs when touched, with a sensation as if they were being enlarged.
Heaviness of the upper eyelids (1st and 2d d.).
Tearing on the right lower eyelid, from the inner canthus to the outer.
Shooting in the eyes, like needle-pricks, after dinner.
Dull shooting in the right eye, when sitting down.
Fine stitches in the inner canthus, which pressed out tears.
Burning in the eyes and canthi, with shooting toward the outer canthi, and a sensation as of a hair in the eye.
Burning in the eyes, also in the evening, lasting till after he lies down.
Burning of the eyes during work, especially when writing and reading, with sensation of dryness, as after much weeping.
Itching of the eyes and lids, also in the morning, at times with lachrymation after rubbing.
Itching and smarting in the right eye, forcing him to rub, but only removed by moistening it with saliva.
Inflammation of the eyes, with stitch-like pain.
Violent inflammation of the inner canthus, and purulent swelling of the lachrymal sac, which swelling opened after four days.
Inflammatory swelling of the upper eyelid, without redness of the conjunctiva, with pressure in it, dim sight and some gum in the canthi (aft. 10 d.).
Swelling of the upper eyelids (aft. 15 d.).
Small ulcers about the cornea, with shooting pains in the eye, which she had to guard against every ray of light.
Agglutination of the right eye, as if it was full of eyegum, the whole day.
The eyes continually tend to become agglutinated, in the afternoon (11th d.).
Agglutinated eyes in the morning, followed by lachrymation, all the forenoon.
Lachrymation of the eyes.
Dryness, sensation of heat, and, as it were, a contraction in the eyes (aft. 2 d.)
He can open the eyelids only with difficulty, they close involuntarily.
Frequent closing of the eyelids, like involuntary winking, with sensation of burning in the eyes, especially in the afternoon.
Constant closing of the eyelids, followed by drowsiness, even while walking.
Pupils contracted (aft. 3 h.).
Dim eyes (aft. 48 h.).
Dim eyes, he has continually to wipe them.
Dim eyes; in fine work, everything looks blurred, but she can read well.
She feels as if something obstructed the visual ray.
Dimness of vision; she at once loses her sight when reading.
A man, else far-sighted, sees even distant things but dimly.
Persons when twenty paces distant, and a picture at a few paces' distance, appear to him indistinct, and he cannot clearly recognize them.
Black, flying points float before his face, when writing.
Flickering, like rain, before the eyes.
Sparks of light before the eyes (11th d.).
Dazzling flashes before his eyes, while waking (aft. 12 d.).≡ more ...