Below are the main rubriks (i.e strongest indications or symptoms) of Calcarea Sulphurica in traditional homeopathic usage, not approved by the FDA.
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BACK AND NECK
Painful rigidity of right side of neck in the afternoon; the same in back of neck later (third day),
Rheumatic pain in left side of neck (forty-seventh day),
Vague rheumatic pains in right scapular region in afternoon (thirty-fourth day),
Backache (in dorsal region), in afternoon, and in evening after retiring, causing great discomfort and restlessness (twelfth day),
Weakness of back, stiffness of hands, and puffiness of the fingers, in the forenoon; joint of second finger, left hand (between second and third row of phalanges), swollen, and very sensitive to lateral pressure (fifth day),
Weakness of middle of back (second day),
Small of back weak; only noticed when lying on back, but great disposition to lie down and stretch out (second day),≡ more ...