Below are the main rubriks (i.e strongest indications or symptoms) of Sulphuricum Acidum in traditional homeopathic usage, not approved by the FDA.
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Intense tickling in the concha.
Drawing in the right meatus auditorius, as if from within outward.
Tearing before the left ear and passing up the temple.
Tearing deep in the left ear, then formication there.
Several severe startling tearings before the left ear, extending into the cheek, where there was a tingling.
Tearing and shooting in the right ear, more on the outside.
Twitching in the right ear; preceded by an agreeable warmth, passing outward.
Diminution of the hearing, as if a leaf was drawn before the ear.
Loud ringing of bells in the right ear.
Rushing sound in the left ear, on opening the mouth, as from a waterfall, during dinner.
Roaring in the ears, in the evening.
Violent roaring in the ears, for four hours.
Rhythmical roaring in the ears.≡ more ...