A 35-year-old male comes into the clinic after he strains his back at work. The nurse anticipates the physician may suggest which topical anesthetic?

Number 4 is correct.

Capsaicin, derived from chili peppers, is a topical pain relief ointment used for strains/sprains, arthritis, and muscle aches. Aloe gel is often used for burns and psoriasis. Zinc oxide and hydrocortisone are anti-itch ointments.