Below are the main rubriks (i.e strongest indications or symptoms) of Argentum Nitricum in traditional homeopathic usage, not approved by the FDA.
Excessive congestion of blood to the head.
Stitches in l. frontal eminence.
Cannot walk, talk, or think, the head gets so giddy.
Staggers on stooping; on shutting eyes.
Momentarily blind with mental confusion; buzzing in ears, nausea, trembling.
Digging up, incisive motion, through the l. hemisphere of the brain.
Drawing in bands over surface of brain, apparently in membranes or sinuses.
Aching in one side of the head, with enlarged feeling in corresponding eye.
Morning headache (when he awakens).
Pressing boring pains, in small spots; in bones; in l. temple.
Hemicrania; epileptiform; periodic; boring pain agg. l. frontal eminence, amel. tight band; from mental emotion or strain, loss of friends, loss of sleep; sometimes pain so severe he loses senses; paroxysms frequently culminate in vomiting of bile or sour fluid.
Occipital headache decreases, frontal headache increasing.
Congestive headache with throbbing carotids, must loosen cravat; head feels much enlarged; as if bones of skull separated, with increased temperature.
Headache, with chilliness.
Headache relieved by tying a handkerchief tightly around the head.
Headache worse in the open air.
Sensation of constriction of scalp; as if something tightly drawn over skull.
Itching, creeping, crawling of the hairy scalp (as from vermin); roots of hair feel as if pulled upward.≡ more ...