Xylocaine HCl 2% and Epinephrine 1:100,000 Injection (lidocaine hydrochloride and epinephrine injection, USP) and Lidocaine HCI 2% and Epinephrine 1:50,000 Injection (lidocaine hydrochloride and epinephrine injection, USP) solutions are indicated for the production of local anesthesia for dental procedures by nerve block or infiltration techniques.