Carbocaine® 3% HCL Plain Box/50Pain management Injectable anesthetics 3% mepivacaine HCL to provide local anesthesia without vasoconstrictors for specific clinical situations. Local dental anesthesia by infiltration or nerve block in adults and pediatric patients. Fast onset As from 30 seconds onset in the maxilla and 1 minute for the mandible Short duration 20 minutes in the maxilla, 40 minutes in the mandible No natural rubber latex 0% methylparabens Features & benefits