This is a characteristic feature. Some of these things are not found in every case, but they all go to make up a Sanguinaria headache. Tearing pains anywhere, neuralgic or rheumatic. It prefers the right side, but also cures the left side. If the pain comes on in the day it increases as the day advances to night.
Complaints are worse at night in Sanguinaria.
It is probably in the deltoid, but you need not speculate on the tissues involved. It competes with Ferrum . Ferrum has relief from slow motion, aggravated from rapid motion and the pain comes in the daytime. While Ferrum has a uniformly red, plethoric face, Sanguinaria has a pale face. In the chest complaints Sanguinaria has a circumscribed red spot over the malar bones, such as seen in hectic patients.