Below are the main rubriks (i.e strongest indications or symptoms) of Merc Viv in traditional homeopathic usage, not approved by the FDA.
Soreness from fauces to sternum
Cannot lie on right side ( Left side, Lycopodium Lycop.) Cough, with yellow muco-purulent expectoration
Paroxysms of two; worse, night and from warmth of bed
Catarrh, with chilliness; dread of air
Stitches from lower lobe of right lung to back
Whooping-cough with nosebleed ( Arnica Arnica.) Cough worse, tobacco smoke.≡ more ...