Ferrum phos, [Ferr-p]
If brought on by cold or exposure,.
Magn phos. [Mag-p]
If pain is exceedingly sharp, lightning-like.
Kali phos. [Kali-p]
For dull, steady pain.
Detail description of the tissue salt Sciatica biochemic remedy by E.P. Anshutz in his book A Guide to Twelve Tissue Remedies of Biochemistry, published in 1909….