Explain about anaesthetics with their types.

Explanation

(i) Local anaesthetics : It causes loss of senssation in the area in which it is applied without losing consciousness. They block pain perception that is transmitted via peripheral nerve fibres to the brain.
Example : Procaine, Li do caine.
They are often used during minor surgical procedures.
(ii) General anaesthetics : They cause a controlled and reversible loss of consciousness by affecting central nervous system.
Example : Propofol, Isoflurane.
They are often used for major surgical procedures.