Below are the main rubriks (i.e strongest indications or symptoms) of Nitric Acid in traditional homeopathic usage, not approved by the FDA.
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BACK AND NECK
Back and neck
Pain in back and small of back; from cold.
Neuralgic pains up the back, particularly left side.
Swelling of cervical and axillary glands.
Stitches in and between scapulae; neck stiff.≡ more ...