Ferrum Phos

Hi the hypersemic stage, indifferent as to the organ involved and regardless of cause. Always before exudation has set in.

Kali Mur

In the second stage, recent cell-proliferation and opaque, white discharge.

Kali Sulph

Riper yellow, fatty, degenerated secretion.

Calcarea Sulph

In the third stage, that of resolution, with purulent, profuse secretion.

Silicea

Lower form, suits also the lower nerve-irritability. (J. C. Morgan).