Below are the main rubriks (i.e strongest indications or symptoms) of Mercurius Corrosivus in traditional homeopathic usage, not approved by the FDA.
Mouth dry with unquenchable thirst.
Mouth inflamed; dry, burning, and parched, as if scalded.
Exudations and ulcers on mucous membranes of mouth and throat.
Painful burning in mouth extending to stomach.
Lips and tongue whitish and contracted.
Swelling of lips, mouth, tongue, and throat.
Gums and teeth
Burning in mouth and gums.
Looseness of teeth; they pain; fall out.
Soreness in teeth and gums aching at night.
Gums swollen and spongy; bleed easily; detached from teeth; ulcerated.
Gums are covered with a false membrane and become gangrenous.
Accumulation of tenacious saliva, expectorated with difficulty.
Discharge of albuminous mucus from mouth.
Tongue coated with thick white mucus, or dry and red; papillae elevated like a strawberry; coated white and swollen and stiff.
Tongue excessively swollen and inflamed; red with black coat; covered with a greyish white crust; moist edges, red; pale dirty yellow posteriorly and edges.
Swelling of tongue with ptyalism.
Swallowing not so painful as depressing the tongue.
Ptyalism with salty (or very bitter) taste; bloody, yellowish, tough, acrid.≡ more ...