Below are the main rubriks (i.e strongest indications or symptoms) of Mercurius Corrosivus in traditional homeopathic usage, not approved by the FDA.
Pricking in throat as from needles.
Tonsils swollen and covered with ulcers.
Swelling of throat to suffocation, inability to swallow any fluid, with heat in mouth, tongue, and throat.
Violent burning, raw, stinging, smarting pain in throat and oesophagus, agg. by slightest external pressure.
Pharynx dark red, painful to contact.
Dryness of fauces.
Uvula swollen, elongated, dark red.
External throat and glands of throat enormously swollen.
When he makes the effort to swallow, retching and vomiting.
Spasms of oesophagus and stomach on attempting to swallow a drop of liquid.
Burning in oesophagus.
Taste in mouth, metallic or salty.≡ more ...