Handbook of Local Anesthetics
Headley, Chris A local anaesthetic (LA) is a drug that prevents the body from feeling any sensation of pain. In contrast to a general anaesthetic, a local anaesthetic causes pain to disappear in a specific body area without causing loss of consciousness. Almost every nerve between the peripheral nerve terminals and the central nervous system can be blocked with local anaesthetics. Paralysis (loss of muscle power) can be induced if LA is applied to specific n...