Anesthetic | Onset (minutes) | Duration of anesthesia* (hours) | Duration of analgesia* (hours) | Maximum dose*¶ (mg/kg) without/with epi |
2% lidocaine | 10 to 20 | 2 to 5 | 3 to 8 | 4.5/7 |
1.5% mepivacaine | 10 to 20 | 2 to 5 | 3 to 10 | 5/7 |
0.2% ropivacaine | 15 to 30 | n/a | 5 to 16 | 3/3.5 |
0.5% ropivacaine | 15 to 30 | 4 to 12 | 5 to 24 | 3/3.5 |
0.25% bupivacaine | 15 to 30 | n/a | 5 to 26 | 2.5/3 |
0.5% bupivacaine (+epi) | 15 to 30 | 5 to 15 | 6 to 30 | 2.5/3 |
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