| benocaine, cocaine, cyclomethycaine, procaine, and tetracaine | | injection of local anesthesia under the skn |
| cocaine | | application of anesthetic onto the skin |
| lidocaine, bupivicaine and mepivicaine | | injection of anesthesia into caudal/subcaudal space |
| Topical | | injection of local anesthesia directly into tissue |
| intradermal anesthesia | | caused by local anesthetic, cocaine, blood vessels are constricted |
| spinal anesthesia | | injection of local anesthesia around nerve root |
| epidural anesthesia | | caused by all other local anesthetics except cocaine , blood vessels are dilated |
| caudal anesthesia | | injection of local anesthesia into subarachnoid space |
| infiltration anesthesia | | types of amide local anesthetics |
| regional nerve block | | types of ester local anesthetics |
| cryoanesthesia | | application of cold on the skin area to produce a numb feeling |
| vasoconstriction | | only naturally occurring drug in local anesthetics |
| vasodilation | | injection of local anesthesia into extradural space |