Below are the main rubriks (i.e strongest indications or symptoms) of Merc Viv in traditional homeopathic usage, not approved by the FDA.
BACK AND NECK
Indurated lymphatics in the nape of the neck,
Boring sensation in right side of neck (after a few minutes),
Softening and curvature of the spine,
Periosteal aching down spine (after twenty minutes),
Twitching pain in back,
Sensation of heat and hyperaesthesia in upper half of back (after a few minutes),
Aching in mid-dorsal region to right of spine (after twenty minutes),
Right subscapular aching, becoming also interscapular, lasting two hours, at 11 A.M. (second day),
Right subscapular aching, extending over hepatic region, on waking (third day),
Continuous achings beneath lower angles of scapulae, severe, continuing three-quarters of an hour (after one hour and a half),
Continuous aching beneath right scapula (after twenty minutes),
Long-continued severe interscapular aching (after twenty minutes),
Slight tenderness on pressure over the fourth and fifth dorsal vertebrae, but the rest of the spine exhibited no increase of sensibility,
Throbbing over left acromion (after a few minutes),≡ more ...