Below are the main rubriks (i.e strongest indications or symptoms) of Petroleum in traditional homeopathic usage, not approved by the FDA.
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When swallowing, food enters into posterior nares.
Throat feels swollen and raw.
Stinging from throat into ear, when swallowing.
Throat dry, sore; pain in nape of neck when swallowing.
Hawking of a tough, disagreeably tasting phlegm, in mornings.
Dryness and scraping sensation in larynx.
Hoarseness.≡ more ...