Benzocaine
Benzocaine is a local anesthetic commonly used as a topical pain reliever, or in cough drops. It is the active ingredient in many over-the-counter anesthetic ointments (e.g., products for oral ulcers of Anbesol by Pfizer, Kank-a by Blistex, and Orabase B and Orajel by Church & Dwight). It is also combined with antipyrine to form A/B Otic Drops, (Brand name Auralgan) to relieve earpain and remove earwax.
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