A 12-Year-Old Patient Presents with Moderate Left Ear Pain and Serosanguineous

Multiple Choice

A 12-year-old patient presents with moderate left ear pain and serosanguineous discharge.On physical examination,blood is apparent in the external canal and the tympanic membrane appears perforated.Despite the patient's left ear pain,why should the health-care practitioner avoid prescribing benzocaine?

A) Benzocaine is the least commonly prescribed otic analgesic.
B) Benzocaine is contraindicated in patients with a perforated tympanic membrane.
C) Repeated use of benzocaine decreases the risk of subsequent sensitization.
D) Benzocaine is indicated only for adult patients with a perforated tympanic membrane.