Headache of Aurum Met.Suitability i.e.: – Headache of people with dark olive-brown complexion; sad, gloomy, taciturn; sanguine, ruddy people, with black hair also eyes. Besides this, Old people; additionally weak vision; tired of life.Causation i.e.: -Headache from least mental exertion, of mercurial also syphilitic origin.character i.e.:Congestive headache.Boring also tearing in skull bones.Syphilitic also mercurial affections of the bones.     4. Concomitants i.e.:Firstly, Disposed to constipation.Secondly, Falling of the hair especially in syphilis also mercurial affections.