Below are the main rubriks (i.e strongest indications or symptoms) of Conium Mac in traditional homeopathic usage, not approved by the FDA.
BACK AND NECK
In the neck, a tensive pain when at rest, with sensation of dryness in the fauces.
Drawing in the neck, when taking a walk (aft. 1 h.).
Throbbing drawing in the neck, where it joins the right shoulder (aft. 8 h.).
Itching shudder, from the nape toward the neck (4th d.).
In the neck, drawing down the right side, to the shoulder-joint, when at rest (3d d.).
Seeming thickening of the neck.
Pains in the sacrum.
Pains in the sacrum, when bending backward.
Severe pains in the sacrum, after walking a little; then nausea and lassitude.
Stitches in the sacrum, with drawing through the lumbar vertebrae, when standing (aft. 3 h.).
Spasm in the back, with severe pressing and drawing.
Tensive pain in the back.
Painful tension in the muscles under both the scapulae, when at rest, much aggravated by raising the arms.
Sharp pressure under the right scapula, at every motion of the arms.
Drawing through the lumbar vertebrae, when standing (aft. 1 ½ h.).
Drawing pain in the right scapula.
Obtuse stitches between the scapulae.
Pain, as from a sprain on the left side of the back (the first day).
Formication, as from going to sleep, in the spine.
Sensation of heat down the back, in the morning on awaking.≡ more ...