Below are the main rubriks (i.e strongest indications or symptoms) of Merc Viv in traditional homeopathic usage, not approved by the FDA.
Constant desire to swallow
Putrid sore throat; worse right side
ULCERS and inflammation appearing at every change in weather
Stitches into ear on swallowing; fluids return through nose
Quinsy, with difficult swallowing; After pus has formed
Sore, raw, smarting, burning throat
Complete loss of voice
Burning in throat, as from hot vapor ascending.≡ more ...