Antipyrine and benzocaine ear drops

Antipyrine and benzocaine ear drops is a medication for the treatment of ear pain caused by otitis media. It combines antipyrine, a pain reliever and benzocaine, a numbing agent to treat ear pain. It is sold as Auralgan, Aurodex, Auroto,[1] among other brands, and is abbreviated as A/B otic drops.



Each 1 ml of A/B otic drops contains:[2]

  • Antipyrine 54mg
  • Benzocaine 14mg
  • Glycerin and Hydroxyquinoline Sulfate USP


A/B otic drops is indicated for ear pain caused by otitis media. You fill the ear canal every 2-3 hours as needed for pain.[2]

A/B otic drops is also indicated for the removal of excessive or impacted cerumen. To clear cerumen, use A/B Otic 3 times a day for 2-3 days.[2]

Clinical pharmacology

A/B otic drops are effective because antipyrine reduces pain and inflammation and benzocaine numbs the ear.




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