Bupivacaine takes a little longer than lidocaine to kick in and lasts longer. It is ideal for controlling pain for an extended period but is more likely to cause toxicity. Lidocaine starts acting ...

Patch tests with lidocaine dilutions (in petrolatum ... Intradermal testing with lidocaine 1%, mepivacaine 2%, and bupivacaine 0.5% was performed on 8 patients; 3 had positive reactions to ...