Below are the main rubriks (i.e strongest indications or symptoms) of Merc Viv in traditional homeopathic usage, not approved by the FDA.
Confusion of the head,
Confusion and heaviness of the head,
Such trembling of the head as almost entirely prevented her from falling asleep,
Constant rotary motion of head, even when lying on the pillow,
Congestion of the brain,
Heaviness of the head,
Slight pain and heat about head,
Headache, , etc.
Rose with a headache evening morning,
Itching, which keeps him awake, with twitching pain in the belly and back,
A great deal of headache,
Violent headache, with a sensation as though he were pulled backward,
Constant and violent headache, having no fixed seat,
Most violent headache,
The headache was usually violent day and night, generally described as a drawing rather than a tearing pain, involving sometimes the forehead, sometimes the occiput,
A good deal of pain in forehead,
Pain in the left side of the forehead, aggravated by pressure upon the nodal point,
Frontal bursting headache (after a few minutes),
Bursting frontal headache, lasting several minutes (third day),
Falling of the hair,
Itching of scalp (after a few minutes),
Profuse falling of the hair,
Subacute aching above left temple (second morning),≡ more ...