Drug class: Bupivacaine and lidocaine are medications in the same drug class, called amide local anesthetics. How they work: These medicines both block nerve impulses and dull the sensation of pain.

Dermatitis. 2010;21(3):176-177. Local anesthetics are widely used drugs. We present a case of allergic contact dermatitis from cinchocaine (dibucaine) and benzocaine in perianal medicaments.

Lidocaine is used widely as an injectable local anesthetic ... dermatitis and delayed hypersensitivity reactions to this “amide” anesthetic are limited. We report 16 cases of lidocaine ...