Below are the main rubriks (i.e strongest indications or symptoms) of Merc Viv in traditional homeopathic usage, not approved by the FDA.
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Burning in right ear (after a few minutes),
Paraplegia of the left ear,
Remarkable exaggeration of sensibility; the noise of a horse or carriage made him start to such a degree that several times he would have been run over had he not kept close to the walls or shop-fronts. He was then obliged to stop for fear of falling; he could not express the disagreeable sensation which the noise occasioned,
Difficulty of hearing,
Difficulty of hearing, with roaring in the right ear,
Roaring in the ears,
Violent roaring in the ears,≡ more ...