Below are the main rubriks (i.e strongest indications or symptoms) of Nitric Acid in traditional homeopathic usage, not approved by the FDA.
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 ...