Below are the main rubriks (i.e strongest indications or symptoms) of Kali Phosphoricum in traditional homeopathic usage, not approved by the FDA.
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Itching and pimples in canal and external ear.
Deep-seated pain in ears, stinging, itching; agg. lying down.
Sharp pain in l. ear and down l. cheek.
Fulness, singing, and surging in ears.
Hearing too sensitive; cannot endure noise.≡ more ...