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Also known as Auralgan, A/B Otic, Aurodex, Auroto, Dolotic, Otigesic, Tympagesic, Rx-Otic, Ear-Gesic, and Allergen Ear

Phenazone (INN), phenazon, antipyrine (USAN), or analgesine is an analgesic and antipyretic. It was first synthesized by Ludwig Knorr in 1883. It is formed by reducing diortho- dinitrodiphenyl with sodium amalgam and methyl alcohol, or by heating diphenylene-ortho-dihydrazine with hydrochloric acid to 150 °C. It crystallizes in needles which melt at 156 °C. Potassium permanganate oxidizes it to pyridazine tetracarboxylic acid. Phenazone has an elimination half life of about 12 hours.

Source: Wikipedia

What is it prescribed for?

Patients are most commonly prescribed antipyrine to treat otitis media, ear pain, rabies, and blastomycosis.

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