Below are the main rubriks (i.e strongest indications or symptoms) of Arsenicum Album in traditional homeopathic usage, not approved by the FDA.
BACK AND NECK
Back and neck
Nape stiff, as if bruised or sprained.
Drawing pains between scapulae; necessitate lying down; from small of back to the shoulders.
Stiffness of the spinal column, beginning in the region of the os coccygis.
Loss of strength in small of back.
Bruised pain in small of back.
Neuralgic pains on left side of neck.≡ more ...