General anesthesia

A. Inhalational general anesthetics –

1. Gas – Nitrous oxide
2. Volatile liquid – Isoflurane, Sevoflurane

NOTE : All inhalational general anesthesia drugs mention on anesthesia machine. (See below image)

B. Intravenous general anesthetics –

1. Fast acting – Propofol (It looks like milk, see below image), Thiopentone sodium

2. Slow acting –

   a. Benzodiazepine : Midazolam, Diazepam, Lorazepam

   b. Dissociative anesthetic – Ketamine

   c. Opioids – Fentanyl